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mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262144 0;} @font-face {font-family:"/@方正姚体"; panose-1:2 1 6 1 3 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262144 0;} @font-face {font-family:Garamond; panose-1:2 2 4 4 3 3 1 1 8 3; mso-font-charset:0; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:647 0 0 0 159 0;} @font-face {font-family:"Monotype Corsiva"; panose-1:3 1 1 1 1 2 1 1 1 1; mso-font-charset:0; mso-generic-font-family:script; mso-font-pitch:variable; mso-font-signature:647 0 0 0 159 0;} @font-face {font-family:隶书; panose-1:2 1 5 9 6 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:modern; mso-font-pitch:fixed; mso-font-signature:1 135135232 16 0 262144 0;} @font-face {font-family:"/@隶书"; panose-1:2 1 5 9 6 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:modern; mso-font-pitch:fixed; mso-font-signature:1 135135232 16 0 262144 0;} @font-face {font-family:幼圆; panose-1:2 1 5 9 6 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:modern; mso-font-pitch:fixed; mso-font-signature:1 135135232 16 0 262144 0;} @font-face {font-family:"/@幼圆"; panose-1:2 1 5 9 6 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:modern; mso-font-pitch:fixed; mso-font-signature:1 135135232 16 0 262144 0;} @font-face {font-family:华文隶书; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:"/@华文隶书"; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:华文行楷; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:"/@华文行楷"; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:华文新魏; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:"/@华文新魏"; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:HelveticaCondensed; panose-1:2 11 226 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:JaneAusten; panose-1:2 0 0 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:-2147483641 2 0 0 147 0;} @font-face {font-family:"standard 07_53"; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:131 0 0 0 9 0;} @font-face {font-family:"standard 07_65"; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"Segoe UI"; panose-1:2 11 5 2 4 2 4 2 2 3; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-536861953 -1073733541 9 0 479 0;} @font-face {font-family:"2 Prong Tree"; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"3 of 9 Barcode"; panose-1:4 2 114 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:decorative; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:3t; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:04b_08; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:04b_20; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:04b_25; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"20th Century Font"; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"Pump Demi Bold LET"; panose-1:0 0 0 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:131 0 0 0 9 0;} @font-face {font-family:Abaddon™; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:131 0 0 0 9 0;} @font-face {font-family:Abduction; panose-1:0 0 4 0 0 0 0 0 0 0; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"Agency FB"; panose-1:2 11 8 4 2 2 2 2 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:3 0 0 0 1 0;} @font-face {font-family:"MT Extra"; panose-1:5 5 1 2 1 2 5 2 2 2; mso-font-charset:2; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:0 268435456 0 0 -2147483648 0;} @font-face {font-family:微软雅黑; panose-1:2 11 5 3 2 2 4 2 2 4; mso-font-charset:134; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-2147483001 705641554 22 0 262175 0;} @font-face {font-family:"/@微软雅黑"; panose-1:2 11 5 3 2 2 4 2 2 4; mso-font-charset:134; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-2147483001 705641554 22 0 262175 0;} @font-face {font-family:华文彩云; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:"/@华文彩云"; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:华文仿宋; panose-1:2 1 6 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:647 135200768 16 0 262303 0;} @font-face {font-family:"/@华文仿宋"; panose-1:2 1 6 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:647 135200768 16 0 262303 0;} @font-face {font-family:华文琥珀; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:"/@华文琥珀"; panose-1:2 1 8 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:1 135200768 16 0 262144 0;} @font-face {font-family:华文楷体; panose-1:2 1 6 0 4 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; 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javascript 全集
第一章
javascript
简介
1.
在地址栏输入
javascript
语句
Javascript
ocument.write("
显示文字
")
2.
将
javascript
嵌入
HTML
文档
<
script
language
=javascript>
document.bgColor="blue"
</
script
>
第二章
使用变量和数组
1.
声明变量
<
script
language
=javascripe>
Var answer1,answer2,answer3,answer4;
answer1=9;
answer2=2.5
answer3="Milkey May"
answer4=
true
</
script
>
2.
使用整数
<
script
language
=javascript>
var
decimalNum,hexadecimalNum,octalNum
decimalNum=24
hexadecimalNum=0x24
octalNum=024
document.write("
显示十进制数:
"+ decimalNum+"<br>")
document.write("
显示十六进制数:
"+ hexadecimalNum +"<br>")
document.write("
显示八进制数:
"+ octalNum +"<br>")
</
script
>
3.
使用浮点数
<
script
language
=javascript>
var
num1,num2,num3,num4
num1=1234567890000.0
num2=5.14e23
num3=0.0000123456
num4=6.0254e3-4
document.write("
浮点数
1
:
"+num1+"<br>")
document.write("
浮点数
2
:
"+num2+"<br>")
document.write("
浮点数
3
:
"+num3+"<br>")
document.write("
浮点数
4
:
"+num4+"<br>")
</
script
>
4.
使用布尔值
<
script
language
=javascript>
var
answer1,answer2
answer1=
true
answer2=
false
document.write("
显示布尔
1
:
"+answer1+"<br>")
document.write("
显示布尔
2
:
"+answer2+"<br>")
</
script
>
5.
使用字符串
<
script
language
=javascript>
var
str1,str2
str1="fdsgdg dsfdsf china"
str2="
武汉市广播电视大学
"
document.write("
显示字符串
1
:
"+str1+"<br>")
document.write("
显示字符串
2
:
"+str2+"<br>")
</
script
>
6.
确定变量类型
<
script
>
var
answer1,answer2,answer3,answer4
answer1=9
answer2=2.5
answer3="milky may"
answer4=
true
document.write("
变量
1
的类型是:
"+
typeof
answer1 +"<br>")
document.write("
变量
2
的类型是:
"+
typeof
answer2 +"<br>")
document.write("
变量
3
的类型是:
"+
typeof
answer3 +"<br>")
document.write("
变量
4
的类型是:
"+
typeof
answer4 +"<br>")
</
script
>
7.
将字符串转换成数字
<
script
>
var
str1="31 days in january"
var
int1=parseInt(str1)
document.write("str1
的数据类型是
:
"+
typeof
str1+"<br>")
document.write("int1
的数据类型是
:
"+
typeof
int1+"<br>")
</
script
>
8.
将数字转换成字符串
<
script
>
var
int1=256
var
str1=""+int1
document.write("str1
的数据类型是
:
"+
typeof
str1+"<br>")
document.write("int1
的数据类型是
:
"+
typeof
int1+"<br>")
</
script
>
9.
声明数组
<
script
>
array=
new
Array(5)
array[0]=1
array[1]=3
array[2]=5
array[3]=7
array[4]=11
document.write("
数组是:
"+array[0]+"
"+array[1]+"
"+array[2]+"
"+array[3]+"
"+array[4])
</
script
>
10.
确定数组元素的个数
<
script
>
array=
new
Array(5)
array[0]=1
array[1]=3
array[2]=5
array[3]=7
array[4]=11
document.write("
数组是:
"+array[0]+"
"+array[1]+"
"+array[2]+"
"+array[3]+"
"+array[4]+"<br>")
document.write("
数组的元素个数是
"+array.length)
</
script
>
11.
将数组转换为字符串
<
script
>
array=
new
Array()
array[0]="dark"
array[1]="apple"
array[2]="nebula"
array[3]="water"
str1=array.join()
str2=array.join("
")
document.write(str1+"<br>")
document.write(str2)
</
script
>
12.
对数组排序
<
script
>
array=
new
Array()
array[0]="dark"
array[1]="apple"
array[2]="nebula"
array[3]="water"
str1=array.sort()
document.write(str1+"<br>")
</
script
>
第三章
创建表达式
1.
使用算术运算符
<
script
>
var1=12
var2=10
varadd=var1+var2
varsub=var1-var2
varmult=var1*var2
vardiv=var1/var2
varmod=var1%var2
document.write("
数据
1
是:
"+var1+"<br>")
document.write("
数据
2
是:
"+var2+"<br>")
document.write("
数据相加是:
"+varadd+"<br>")
document.write("
数据相减是:
"+varsub+"<br>")
document.write("
数据相乘是:
"+varmult+"<br>")
document.write("
数据相除是:
"+vardiv+"<br>")
document.write("
数据相除取余数是:
"+varmod+"<br>")
</
script
>
2.
递增变量和递减变量
<
script
>
days=1
document.write("
输出变量
"+days+"<br>")
days++
document.write("
递增后变量变为:
"+days)
</
script
>
3.
创建比较表达式
<
script
>
daysofmonth=28
if
(daysofmonth==28)
month="february"
document.write("days of
month:"+daysofmonth+"<br>")
document.write("month:"+month)
</
script
>
4.
创建逻辑表达式
<
script
>
dayofmonth=28
if
(dayofmonth==28
|| dayofmonth==29)
month="february"
document.write("days of
month:"+dayofmonth+"<br>")
document.write("month:"+month)
</
script
>
5.
使用条件运算符
<
script
language
="javascript">
stomach="hungry";
time="5:00";
(stomach=="hungry"&&time=="5:00")
? eat =
"dinner":eat="a snack";
document.write("
输出结果
"+eat);
</
script
>
6.
识别数字
<
script
>
var1=24;
(isNaN(var1))?document.write("
变量
var1"+var1+"
不是数字
")
ocument.write("
变量
var1"+var1+"
是数字
")
</
script
>
第四章
控制程序流程
1.
使用
IF –Else
语句
<
script
>
month="december"
date=25
if
(month=="december"
&& date==25)
document.write("
今天是圣诞节
,
商店关门
")
else
document.write("
欢迎
,
您来商店购物
")
</
script
>
2.
使用
for
循环
<
script
>
for
(count=1;count<=10;count++)
document.write("
输出第
"+count+"
句
"+"<br>")
</
script
>
3.
使用
while
循环
<
script
>
count=1
while
(count<=15)
{
document.write("
输出第
"+count+"
句
"
+"<br>")
count++}
</
script
>
4.
中断循环
<
script
>
count=1
while
(count<=15)
{
count++
if
(count==8)
break
;
document.write("
输出第
"+count+"
句
"+"<br>")}
</
script
>
5.
继续循环
<
script
>
count=1
while
(count<=15)
{
count++
if
(count==8)
continue
;
document.write("
输出第
"+count+"
句
"+"<br>")}
</
script
>
6.
使用
javascript
定时器
<
script
>
function
rabbit()
{document.write("
输出语句
")
}
</
script
>
<
body
onload
=window.setTimeout(rabbit(),5000)>
7.
设置定期间隔
<
script
>
window.setInterval("document.form1.text2.value=document.form1.text1.value",3000)
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1><
br
>
<
input
type
=text
name
=text2><
br
>
</
form
>
8.
清除超时和间隔
<
script
>
stop=window.setInterval("document.form1.text2.value=document.form1.text1.value",300)
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1><
br
>
<
input
type
=text
name
=text2><
br
>
<
input
type
=button
name
=button1
value
="
清除超时和间隔
"
onclick
=clearInterval(stop)>
</
form
>
第五章
使用函数
1.
声明函数
<
script
>
function
quote()
{ document.write("
输出语句
")
}
</
script
>
2.
调用函数
<
script
>
function
quote()
{ document.write("
输出语句
")
}
quote()
</
script
>
3.
了解全局变量和局部变量
任何不用
var
关键字声明的变量都是全局变量
,
任何在函数外声明的变量都是全局变量
4.
将参数传送给函数
<
script
>
function
f(item)
{document.write("
输出参数
"+item+"<br>")
}
f("fgdfgd")
f("
参数二
")
</
script
>
5.
从函数返回值
<
script
>
function
average(var1,var2,var3)
{ave=(var1+var2+var3)/3;
document.write("
输出结果
");
return
ave;
}
document.write(average(34,56,78))
</
script
>
6.
通过
HTML
链接调用函数
<
script
>
function
quote()
{
document.write("
输出字符串
")
}
</
script
>
<
a
href
=javascript:quote()>
通过
HTML
链接调用函数
</
a
>
<
a
href
=javascript
ocument.write("
输出字符
")>
通过
HTML
链接调用函数
,
直接写
javascript
语句
</
a
>
第六章
处理事件
1.
检查鼠标单击
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=hello
onclick
=document.form1.button1.value='there'>
</
form
>
2.
检测双击
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=hello
onclick
=document.form1.button1.value='
你单击了按钮
'
ondblclick
=document.form1.button1.value='
你双击了该按钮
'>
</
form
>
3.
创建悬停按钮
<
img
src
=/wenzhang/UploadPic/2010-4/2010412122753492.gif
onmouseover
=document.images[0].src='/wenzhang/UploadPic/2010-4/2010412122754905.gif'
onmouseout
= document.images[0].src='/wenzhang/UploadPic/2010-4/2010412122753492.gif'>
4.
检测按键
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello
onkeypress
="if(window.event.keyCode=='100')
document.form1.text1.value='
你按了
d
键
'">
</
form
>
5.
设置焦点
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello
onfous
=document.form1.text1.value='
该文本框获得焦点
'
onblur
=document.form1.text1.value='
该文本框失去焦点
'>
</
form
>
6.
检测下拉菜单选择
<
form
name
=form1>
<
select
name
=select1
size
=4
onChange
=document.form1.text1.value=document.form1.select1.value>
<
option
value
="
北京
">
北京
</
option
>
<
option
value
="
上海
">
上海
</
option
>
<
option
value
="
武汉
">
武汉
</
option
>
<
option
value
="
天津
">
天津
</
option
>
<
option
value
="
大连
">
大连
</
option
>
</
select
>
<
input
tppe
=text
name
=text1
value
=hello>
</
form
>
7.
创建网页加载和卸载信息
<
body
onload
=document.form1.text1.value='
页面加载完毕
'
onunload
=alert('
再见
,
欢迎再来
')>
<
form
name
=form1>
<
input
type
=text
name
=text1
value
="
页面正在加载
……">
</
form
>
第七章
使用对象
1.
理解对象
/
属性和方法
<
body
bgcolor
="green">
<
script
>
document.write("
页面背景颜色是
:"+document.bgColor)
document.write("
页面前景颜色是
:"+document.fgColor)
</
script
>
2.
使用网页元素对象
<
script
>
</
script
>
<
form
name
=form1>
<
textarea
name
=ta1>
dfgfdgfdhfdhdfdfgdf
</
textarea
>
<
input
type
=button
value
="
选择文本
"
onclick
=document.form1.ta1.select()>
<
input
type
=button
value
="
显示文本
"
onclick
=document.write(document.form1.ta1.value)>
</
form
>
3.
使用子对象
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello>
</
form
>
<
script
>
document.form1.text1.value="gdfgfd"
</
script
>
<
form
name
=form1>
<
input
type
=radio
name
=radio1>
男
<
input
type
=radio
name
=radio2>
女
</
script
>
<
script
>
document.form1.radio1.checked=
true
</
script
>
4.
使用预定义对象
<
script
>
str1="dgdfgdfgdfhf
固定法固定法功夫攻打法
"
document.write(str1+"<br>")
str2=str1.substr(5)
document.write(str2+"<br>")
document.write("
输出圆的面积
:"+Math.PI*Math.pow(5.0,2))
</
script
>
5.
创建新对象
<
script
>
today=
new
Date()
document.write("
今天是
"+(today.getMonth()+1)+"
月
"+today.getDate()+"
日
"+"<br>")
document.write("
现在是
:"+today.toLocaleString())
</
script
>
6.
引用当前对象
<
form
name
=form1>
<
input
type
=text
name
=text1
value
="dgdgdfgfd"
onclick
=this.select()>
</
script
>
7.
查看对象属性
<
script
>
for
(prop
in
window)
{document.write("window."+prop+"="+window[prop]+"<br>");}
for
(prop2
in
location)
{document.write("location."+prop2+"="+location[prop]+"<br>");}
</
script
>
8.
使用
Array
对象
<
script
>
array=
new
Array(10)
array[0]="bark"
array[1]="apple"
array[2]="nebula"
array[3]="cookie"
array[4]="technology"
document.write("
数组元素个数是
"+array.Length+"<br>")
document.write("
用
join
将数组合并
"+array.join("
")+"<br>")
document.write("
数组排序
"+array.sort())
</
script
>
9.
使用
image
对象
<
img
src
=**.gif
alt
="
图片提示
…."
border
=10>
<
script
>
document.write("
图片提示是
:"+document.images[0].alt+"<br>")
document.write("
图片边框大小是
:"+document.images[0].broder)
</
script
>
10.
预加载图像
<
script
>
freddy=
new
Image()
freddy.src=freddy.gif
</
script
>
<
body
onload
=document.images[0].src=freddy.src>
,
<
img
src
="blank.gif">
</
body
>
11.
改变图像
<
img
src
=freddy.gif><
br
>
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
改变图像
"
onclickd
=document.images[0].src=/wenzhang/UploadPic/2010-4/2010412122754576.gif>
</
form
>
12.
使用
link
和
anchor
对象
<
a
name
=anchor1>
锚点
1
<
br
>
<
a
href
=http://www.microsoft.com>
Microsoft
</
a
><
br
>
<
a
href
=http://www.sohu.com>
sohu
</
a
><
br
>
<
a
href
=http://www.sina.com.cn>
sina
</
a
><
br
>
<
script
>
document.write("
本页面共有
"+document.links.length+"
链接
"+"<br>")
document.write("
本页面共有
"+document.anchors.length+"
锚点
"+"<br>")
document.write("
第一个链接协议是
"+document.links[0].protocol+"<br>")
document.write("
第一个链接路径是
"+document.links[0].pathnamel+"<br>")
document.write("
第一个链接
href
是
"+document.links[0].hrefl+"<br>")
</
script
>
13.
改变链接
<
a
href
=http://www.microsoft.com>
link
</
a
>
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
改变链接
"
onclick
=document.links[0].href='http://www.sohu.com'>
</
form
>
14.
使用
history
对象
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
向后返回
2
页
"
onclick
=window.history.go(-2)>
</
form
>
第八章
使用窗口
1.
在浏览器的状态栏上显示文本
<
body
onload
=window.status="
欢迎光临我的站点
">
<
a
href
=http://www.sohu.com>
sohu
</
a
>
</
body
>
2.
改变背景色
<
script
>
document.bgColor="orange"
</
script
>
3.
列举背景颜色
<
body
bgColor
=green>
<
script
>
document.write("
当前背景色是
:"+document.bgColor)
</
script
>
</
body
>
4.
改变文本和链接颜色
<
script
>
document.bgColor="orange"
document.fgColor="blue"
document.linkColor="red"
</
script
>
<
h2
>
看看这段文本颜色
</
h2
>
<
a
href
=http://www.sohu.com>
sohu
</
a
>
</
body
>
5.
改变文档标题
<
script
>
name="Mouse"
document.title="welcome to
"+name+"'s House"
document.write(document.title)
</
script
>
6.
显示修改日期
<
script
>
document.write("
本页面最后修改时间是
"+document.lastModified)
</
script
>
7.
查看当前文档的
URL
<
script
>
document.write("
本页面的
URL:"+document.URL)
</
script
>
8.
查看引用页
<
script
>
document.write("
本页面的引用页是
"+document.referrer)
</
script
>
9.
打开新的浏览器窗口
<
script
>
window.open("*.htm","title","width=200,height=400,resizable=yes")
</
script
>
10.
关闭远程窗口
close.html:
<
script
>
document.write("
正文
")
</
script
>
<
form
name
=form1>
<
input
type
=button
name
=button1value="
关闭
"
onclick
=window.close()>
</
form
>
open.html
<
script
>
window.open("close.html","romote","width=200,height=400,resizable=yes")
</
script
>
11.
打印窗口
<
script
>
document.write("
正文
")
</
script
>
<
form
name
=form1>
<
input
type
=button
value
=
打印
onclick
=window.print()>
</
form
>
12.
移动窗口
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=20>
垂直方向
<
input
type
=text
name
=y
value
=50>
<
input
type
=button
value
="
移动窗口到
…"
onclick
=window.moveTo(document.form1.x.value,document.form1.y.value)>
</
form
>
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=20>
垂直方向
<
input
type
=text
name
=y
value
=50>
<
input
type
=button
value
="
移动窗口
"
onclick
=window.moveBy(document.form1.x.value,document.form1.y.value)>
</
form
>
13.
改变窗口大小
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=200>
垂直方向
<
input
type
=text
name
=y
value
=500>
<
input
type
=button
value
="
改变窗口大小到
….."
onclick
=window.resizeTo(document.form1.x.value,document.form1.y.value)>
</
form
>
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=200>
垂直方向
<
input
type
=text
name
=y
value
=500>
<
input
type
=button
value
="
改变窗口大小
"
onclick
=window.resizeBy(document.form1.x.value,document.form1.y.value)>
</
form
>
14.
用警告对话框通知用户
<
script
>
window.alert("welcome")
</
script
>
15.
用提示对话框接受输入
<
script
>
name=window.prompt("
输入姓名
","
姓名
")
document.write("
欢迎您
:"+name+"
来到这里
")
</
script
>
16.
用确认对话框使用户做出决定
<
script
>
like=window.confirm("
你觉得好吗
?")
if
(like==
true
)
document.write("
谢谢你的夸奖
")
else
document.write("
希望得到你的夸奖
")
</
script
>
第九章
使用字符串
1.
使用字符串对象
<
script
>
mystring="gdgdfgfddddaaaaaaaaaaaabbbbbbbbbbbbbbbbbvbhg.<br>"
document.write(mystring)
document.write(mystring.bold())
document.write(mystring.toUpperCase())
</
script
>
2.
使用子字符串
<
script
>
str1="fdsf 1111 gfdgfd dfdsf cccc
dddd.<br>"
document.write(str1)
document.write(str1.substring(0,13)+"<br>")
document.write(str1.substr
(20,11)+"<br>")
</
script
>
3.
连接字符串
<
script
>
str1="may you find"
str2="peace,happiness and
prosperity.<br>"
document.write(str1+"<br>")
document.write(str2)
document.write(str1.concat(str2))
document.write(str1+=str2)
</
script
>
4.
格式化字符串变量
<
script
>
str1="peace,happiness and
prosperity.<br>"
document.write(str1)
document.write(str1.big())
document.write(str1.small())
document.write(str1.bold())
document.write(str1.italics())
document.write(str1.strike())
document.write(str1.fontsize(6))
document.write(str1.fontcolor(green))
</
script
>
5.
创建锚和链接
<
script
>
str1="this is the bigginning of the
page.<br>"
str2="….<br>"
str3="this is the end of the page
.<br>"
str4="link to the start<br>"
str5="link to the end<br>"
document.write(str1.anchor("start"))
for
(i=0;i<10;i++)
document.write(str2);
document.write(str3.anchor("end"))
document.write(str4.link("#start"))
document.write(str5.link("#end"))
</
script
>
6.
确定字符串长度
<
script
>
str1="this is the bigginning of the
page."
document.write(str1+"<br>")
document.write( "
字符串的长度是
:"+str1.length)
document.write("
字符串全部大写是
;"+str1.toUpperCase())
document.write("
字符串全部小写是
;"+str1.toLowerCase())
</
script
>
7.
在字符串内搜索
<
script
>
str1="this is the end of the
line.<br>"
document.write(str1)
document.write("
字符
end
在字符串的位置是
"+str1.search("end"))
document.write("
字符
dog
在字符串的位置是
"+str1.search("dog"))
</
script
>
8.
定位字符串中的字符
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
document.write("the index for the second
word ‘and' is"+str1.indexOf("and",30))
documednt.write("the last index of the
word ‘and' is "+str1.lastIndexOf("and"))
</
script
>
9.
替换字符串中的文本
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
document
.write(str1.replace("and",","))
</
script
>
10.
字符串分离
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
str1array=str1.split("
")
document.write(str1array[0]+"<br>")
document.write(str1array[1]+"<br>")
document.write(str1array[2]+"<br>")
document.write(str1array[3]+"<br>")
</
script
>
第十章
使用日期和时间
1.
使用
Date
对象
<
script
>
cdate=
new
Date("august 2,1989 12:30:00")
document.write(cdate)
</
script
>
2.
显示当地时间和日期
<
script
>
cdate=
new
Date()
document.write("
当前时间是
:"+cdate.toGMTString()+"<br>")
document.write("
日期和时间是
:"+cdate.toLocaleString())
</
script
>
3.
获得时间和日期值
<
script
>
cdate=
new
Date()
document.write("
显示当前的星期
"+cdate.getDay()+"<br>")
document.write("
显示当前的月份
"+cdate.getMonth()+"<br>")
document.write("
显示当前的日期
"+cdate.getDay()+"<br>")
document.write("
显示当前的年份
"+cdate.getYear()+"<br>")
document.write("
显示当前的小时
"+cdate.getHours()+"<br>")
document.write("
显示当前的分钟
"+cdate.getMinutes()+"<br>")
document.write("
显示当前的秒
"+cdate.getSeconds()+"<br>")
</
script
>
4.
设置时间和日期值
<
script
language
=javascript>
cdate=
new
Date("December 25,1984")
document.write("
显示日期
"+cdate+"<br>")
document.write("
设置月份
"+cdate.setMonth(10)+"<br>")
document.write("
设置日期
"+cdate.setDate(23)+"<br>")
document.write("
设置年份
"+cdate.setYear(2000)+"<br>")
document.write("
设置小时
"+cdate.setHours(13)+"<br>");
document.write("
设置分钟
"+cdate.setMinutes(47)+"<br>");
document.write("
设置秒
"+cdate.setSeconds(23)+"<br>");
document.write("
显示设置后的日期和时间
"+cdate);
</
script
>
第十一章
使用
Math
对象
1.
使用
Math
对象
<
script
language
=javascript>
</
script
>
<
form
name
=form1>
圆的半径
:
<
input
type
=text
name
=rad><
br
>
圆的面积
:
<
input
type
=text
name
=area><
br
>
<
input
type
=button
name
=button1
value
=
计算圆的面积
onclick
=document.form1.area.value=document.form1.rad.value*document.
form1.rad.value*Math.PI
>
</
form
>
2.
生成随机数
<
script
>
array1=
new
Array(
"
这是第
1
句
",
"
这是第
2
句
",
"
这是第
3
句
",
"
这是第
4
句
",
"
这是第
5
句
",
"
这是第
6
句
")
RandomNo=Math.floor(array1.length*Math.random())
document.write("
随机输出某一句
"+"<br>"+array1[RandomNo])
</
script
>
3.
使用平方根
<
form
name
=form1>
value:
<
input
type
=text
name
=va1><
br
>
平方根
<
input
type
=text
name
=sqrt><
br
>
<
input
type
=button
name
=button1
value
=
计算平方根
onclick
="document.form1.sqrt.value=Math.sqrt(document.form1.va1.value)">
</
form
>
4.
数字的舍入
<
form
name
=form1>
输入
<
input
type
=text
name
=val><
br
>
舍入的结果
<
input
type
=text
name
=round><
br
>
<
input
type
=button
name
=button1
value
=
计算结果
onclick
=document.form1.round.value=Math.round(document.form1.val.value)>
</
form
>
5.
乘方运算
<
form
name
=form1>
底数
<
input
type
=text
name
=val><
br
>
指数
<
input
type
=text
name
=power><
br
>
幂
<
input
type
=text
name
=result><
br
>
<
input
type
=button
name
=button1
value
=
计算结果
onclick
="document.form1.result.value=Math.pow
(document.form1.val.value,document.form1.power.value)">
</
form
>
6.
发现最小值和最大值
<
form
name
=form1>
数字
1
<
input
type
=text
name
=val1><
br
>
数字
2
<
input
type
=text
name
=val2><
br
>
最小值
<
input
type
=text
name
=min><
br
>
最大值
<
input
type
=text
name
=max><
br
>
数字
1
<
input
type
=button
value
=
计算
onclick
="document.form1.min.value=Math.min
(document.form1.val1.value,document.form1.val2.value);document.form1.
max.value=
Math.max(document.form1.val1.value,document.form1.val2.value)">
</
form
>
第十二章
使用表单
1.
使用文本框
<
form
name
=form1>
<
input
type
=text
value
="information
,please"
name
=text1>
</
form
>
<
script
>
document.write("
表单
text1
类型是
:
"+document.form1.text1.type+"<br>")
document.write("
表单
text1
名称是
:
"+document.form1.text1.name+"<br>")
document.write("
表单
text1
值是
:
"+document.form1.text1.value+"<br>")
document.write("
表单
text1
大小是
:
"+document.form1.text1.size+"<br>")
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=click
here
onfocus
=document.form1.text1.select()>
</
form
>
2.
使用密码框
<
form
name
=form1>
<
input
type
=password
name
=pw1
value
=daylight>
</
form
>
<
script
>
document.write("
表单
pw1
的类型
:"+document.form1.pw1.type+"<br>")
document.write("
表单
pw1
的名称
:"+document.form1.pw1.name+"<br>")
document.write("
表单
pw1
的值
:"+document.form1.pw1.value+"<br>")
document.write("
表单
pw1
的大小
:"+document.form1.pw1.size+"<br>")
</
script
>
3.
使用隐藏字段
<
form
name
=form1>
<
input
type
=hidden
name
=hid1
value
=piece
of eight
>
</
form
>
<
script
>
document.write("
表单
hid1
的类型
:"+document.form1.hid1.type+"<br>")
document.write("
表单
hid1
的名称
:"+document.form1.hid1.name+"<br>")
document.write("
表单
hid1
的值
:"+document.form1.hid1.value+"<br>")
</
script
>
4.
使用文本区域框
<
form
name
=form1>
<
textarea
name
=ta1>
how many grains of sand are there in the sahara
desert?
</
textarea
>
</
form
>
<
script
>
document.write("
表单
ta1
的类型
:"+document.form1.ta1.type+"<br>")
document.write("
表单
ta1
的名称
:"+document.form1.ta1.name+"<br>")
document.write("
表单
ta1
的值
:"+document.form1.ta1.value+"<br>")
document.write("
表单
ta1
的横向宽度
:"+document.form1.ta1.cols+"<br>")
document.write("
表单
ta1
的纵向宽度
:"+document.form1.rows.value+"<br>")
</
script
>
6.
使用重置按钮
<
form
name
=form1>
<
input
type
=reset
name
=reset1
value
="rest form">
</
form
>
<
script
>
document.write("
表单
reset1
的类型
:"+document.form1.reset1.type+"<br>")
document.write("
表单
reset1
的名称
:"+document.form1.reset1.name+"<br>")
document.write("
表单
reset1
的值
:"+document.form1.reset1.value+"<br>")
</
script
>
7.
使用提交按钮
<
form
name
=form1>
<
input
type
=submit
name
=submit1
value
="submit form">
</
form
>
<
script
>
document.write("
表单
submit1
的类型
:"+document.form1.submit1.type+"<br>")
document.write("
表单
submit1
的名称
:"+document.form1.submit1.name+"<br>")
document.write("
表单
submit1
的值
:"+document.form1.submit1.value+"<br>")
</
script
>
8.
使用复选按钮
<
form
name
=form1>
<
input
type
=checkbox
name
=cb1
>
computer savvy?
</
form
>
<
script
>
document.write("
表单
cb1
的类型
:"+document.form1.cb1.type+"<br>")
document.write("
表单
cb1
是否被选择
?:"+document.form1.cb1.checked+"<br>")
document.write("
表单
cb1
的名称
:"+document.form1.cb1.name+"<br>")
</
script
>
9.
使用单选按钮
<
form
name
=form1>
<
input
type
=radio
name
=radio1>
male
<
input
type
=radio
name
=radio1>
female
</
form
>
<
script
>
document.write("
第一个按钮被选择
"+document.form1.radio1[0].checked+"<br>")
document.write("
第二个按钮被选择
"+document.form1.radio1[1].checked+"<br>")
document.write("
按钮的名称
"+
document.form1.radio1[0].name+"<br>")
document.write("
按钮的个数
"+document.form1.radio1.length)
</
script
>
10.
使用选择列表
<
form
name
=form1>
<
select
name
=select1
size
=4>
<
option
name
=option1
value
=lon>
london,England
</
option
>
<
option
name
=option2
value
=dub>
Dublin,Ireland
</
option
>
</
select
>
</
form
>
<
script
>
document.write("
这个选择列表的名称
"+document.form1.select1.name+"<br>")
document.write("
这个选择列表的长度
"+document.form1.select1.length+"<br>")
document.write("
这个选择列表当前被选择的索引号
"+document.form1.select1.selectedIndex+"<br>")
document.write("
这个选择列表的尺寸
"+document.form1.select1.size+"<br>")
</
script
>
11.
验证表单的有效性
<
script
>
function
validate()
{
if
(document.form1.text1.value!='1'||'2'||'3'||'4')
{
alert("
请输入
1~4
的整数
")
}
}
</
script
>
<
form
name
=form1>
请输入
1~4
的整数
:
<
input
type
=text
name
=text1
size
=4
onchange
=validate()>
</
form
>
12.
控制表单焦点
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=where
is you
focus?
><
br
>
<
input
type
=text
name
=text2
value
=is
there?
><
br
>
<
input
type
=text
name
=text3
value
=or
maybe here?
><
br
>
<
input
type
=button
name
=button1
value
="text box #1"
onclick
=document.form1.text1.focus()><
br
>
<
input
type
=button
name
=button2
value
="text box #2"
onclick
=document.form1.text2.focus()><
br
>
<
input
type
=button
name
=button3
value
="text box #3"
onclick
=document.form1.text3.focus()><
br
>
</
form
>
第十三章
使用分栏
第十四章
使用
navigator
1.
使用
navigator
对象
<
script
>
document.write("navigator
对象的属性
"+"<br>")
document.write("appcodename:"+navigator.appCodeName+"<br>")
document.write("appname::"+navigator.appName+"<br>")
document.write("appversion:"+navigator.appVersion+"<br>")
document.write("platform:"+navigator.platform+"<br>")
document.write("userAgent:"+navigator.userAgent+"<br>")
</
script
>
<
script
>
document.write("navigator
对象的方法
"+"<br>")
document.write("javaEnabled():"+navigator.javaEnabled())
</
script
>
2.
检查用户的浏览器
<
script
>
if
(navigator.appName.indexOf("Microsoft")!=-1)
{
document.write("
用户浏览器是微软的
IE
浏览器
"+"<br>")}
else
if
(navigator.appName.indexOf("Netscape")!=-1)
{
document.write("
用户浏览器是
netscape
的
netscape
浏览器
"+"<br>")}
if
(navigator.appVersion.indexOf("4.0")!=-1)
{
document.write("you are using a version
4.0compatible browser")
}
else
{
document.write("this browser is not 4.0
compliant")}
</
script
>
3.
检测用户的操作系统
<
script
>
if
(navigator.platform.indexOf("win32")!=-1)
{
document.write("you are using a computer
running windows 95 or highter")}
else
{
document.write("this computer is not
running windows 95 or higher")}
</
script
>
4.
使用
location
对象
<
script
>
document.write("location
对象的属性
"+"<br>")
document.write("hash"+location.hash+"<br>")
document.write("hostname"+location.hostname+"<br>")
document.write("host"+location.host+"<br>")
document.write("href"+location.href+"<br>")
document.write("port"+location.port+"<br>")
document.write("search"+location.search+"<br>")
</
script
>
重新加载网页
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=
重新加载本页
onclick
=location.reload>
</
form
>
5.
使用
cookie
<
script
>
finction makecookie()
{
if
(!document.cookie)
{
name=prompt("
请输入你的姓名
");
document.cookie="name="+name+";";}
}
</
script
>
<
body
onload
=makecookie()>
<
script
>
function
makecookie()
{
if
(!document.cookie)
{
name=prompt("
请输入你的姓名
")
document.cookie="name="+name+";";
namestart=document.cookie.indexOf("=");
nameend=document.cookieindexOf(";");
document.writeln("your name
is:"+document.cookie.substring(namestart+1,nameend)+",br>")
}
}
</
script
>
0>;
(stomach=="hungry"&&time=="5:00")
? eat =
"dinner":eat="a snack";
document.write("
输出结果
"+eat);
</
script
>
6.
识别数字
<
script
>
var1=24;
(isNaN(var1))?document.write("
变量
var1"+var1+"
不是数字
")
ocument.write("
变量
var1"+var1+"
是数字
")
</
script
>
第四章
控制程序流程
1.
使用
IF –Else
语句
<
script
>
month="december"
date=25
if
(month=="december"
&& date==25)
document.write("
今天是圣诞节
,
商店关门
")
else
document.write("
欢迎
,
您来商店购物
")
</
script
>
2.
使用
for
循环
<
script
>
for
(count=1;count<=10;count++)
document.write("
输出第
"+count+"
句
"+"<br>")
</
script
>
3.
使用
while
循环
<
script
>
count=1
while
(count<=15)
{
document.write("
输出第
"+count+"
句
"
+"<br>")
count++}
</
script
>
4.
中断循环
<
script
>
count=1
while
(count<=15)
{
count++
if
(count==8)
break
;
document.write("
输出第
"+count+"
句
"+"<br>")}
</
script
>
5.
继续循环
<
script
>
count=1
while
(count<=15)
{
count++
if
(count==8)
continue
;
document.write("
输出第
"+count+"
句
"+"<br>")}
</
script
>
6.
使用
javascript
定时器
<
script
>
function
rabbit()
{document.write("
输出语句
")
}
</
script
>
<
body
onload
=window.setTimeout(rabbit(),5000)>
7.
设置定期间隔
<
script
>
window.setInterval("document.form1.text2.value=document.form1.text1.value",3000)
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1><
br
>
<
input
type
=text
name
=text2><
br
>
</
form
>
8.
清除超时和间隔
<
script
>
stop=window.setInterval("document.form1.text2.value=document.form1.text1.value",300)
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1><
br
>
<
input
type
=text
name
=text2><
br
>
<
input
type
=button
name
=button1
value
="
清除超时和间隔
"
onclick
=clearInterval(stop)>
</
form
>
第五章
使用函数
1.
声明函数
<
script
>
function
quote()
{ document.write("
输出语句
")
}
</
script
>
2.
调用函数
<
script
>
function
quote()
{ document.write("
输出语句
")
}
quote()
</
script
>
3.
了解全局变量和局部变量
任何不用
var
关键字声明的变量都是全局变量
,
任何在函数外声明的变量都是全局变量
4.
将参数传送给函数
<
script
>
function
f(item)
{document.write("
输出参数
"+item+"<br>")
}
f("fgdfgd")
f("
参数二
")
</
script
>
5.
从函数返回值
<
script
>
function
average(var1,var2,var3)
{ave=(var1+var2+var3)/3;
document.write("
输出结果
");
return
ave;
}
document.write(average(34,56,78))
</
script
>
6.
通过
HTML
链接调用函数
<
script
>
function
quote()
{
document.write("
输出字符串
")
}
</
script
>
<
a
href
=javascript:quote()>
通过
HTML
链接调用函数
</
a
>
<
a
href
=javascript
ocument.write("
输出字符
")>
通过
HTML
链接调用函数
,
直接写
javascript
语句
</
a
>
第六章
处理事件
1.
检查鼠标单击
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=hello
onclick
=document.form1.button1.value='there'>
</
form
>
2.
检测双击
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=hello
onclick
=document.form1.button1.value='
你单击了按钮
'
ondblclick
=document.form1.button1.value='
你双击了该按钮
'>
</
form
>
3.
创建悬停按钮
<
img
src
=/wenzhang/UploadPic/2010-4/2010412122753492.gif
onmouseover
=document.images[0].src='/wenzhang/UploadPic/2010-4/2010412122754905.gif'
onmouseout
= document.images[0].src='/wenzhang/UploadPic/2010-4/2010412122753492.gif'>
4.
检测按键
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello
onkeypress
="if(window.event.keyCode=='100')
document.form1.text1.value='
你按了
d
键
'">
</
form
>
5.
设置焦点
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello
onfous
=document.form1.text1.value='
该文本框获得焦点
'
onblur
=document.form1.text1.value='
该文本框失去焦点
'>
</
form
>
6.
检测下拉菜单选择
<
form
name
=form1>
<
select
name
=select1
size
=4
onChange
=document.form1.text1.value=document.form1.select1.value>
<
option
value
="
北京
">
北京
</
option
>
<
option
value
="
上海
">
上海
</
option
>
<
option
value
="
武汉
">
武汉
</
option
>
<
option
value
="
天津
">
天津
</
option
>
<
option
value
="
大连
">
大连
</
option
>
</
select
>
<
input
tppe
=text
name
=text1
value
=hello>
</
form
>
7.
创建网页加载和卸载信息
<
body
onload
=document.form1.text1.value='
页面加载完毕
'
onunload
=alert('
再见
,
欢迎再来
')>
<
form
name
=form1>
<
input
type
=text
name
=text1
value
="
页面正在加载
……">
</
form
>
第七章
使用对象
1.
理解对象
/
属性和方法
<
body
bgcolor
="green">
<
script
>
document.write("
页面背景颜色是
:"+document.bgColor)
document.write("
页面前景颜色是
:"+document.fgColor)
</
script
>
2.
使用网页元素对象
<
script
>
</
script
>
<
form
name
=form1>
<
textarea
name
=ta1>
dfgfdgfdhfdhdfdfgdf
</
textarea
>
<
input
type
=button
value
="
选择文本
"
onclick
=document.form1.ta1.select()>
<
input
type
=button
value
="
显示文本
"
onclick
=document.write(document.form1.ta1.value)>
</
form
>
3.
使用子对象
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=hello>
</
form
>
<
script
>
document.form1.text1.value="gdfgfd"
</
script
>
<
form
name
=form1>
<
input
type
=radio
name
=radio1>
男
<
input
type
=radio
name
=radio2>
女
</
script
>
<
script
>
document.form1.radio1.checked=
true
</
script
>
4.
使用预定义对象
<
script
>
str1="dgdfgdfgdfhf
固定法固定法功夫攻打法
"
document.write(str1+"<br>")
str2=str1.substr(5)
document.write(str2+"<br>")
document.write("
输出圆的面积
:"+Math.PI*Math.pow(5.0,2))
</
script
>
5.
创建新对象
<
script
>
today=
new
Date()
document.write("
今天是
"+(today.getMonth()+1)+"
月
"+today.getDate()+"
日
"+"<br>")
document.write("
现在是
:"+today.toLocaleString())
</
script
>
6.
引用当前对象
<
form
name
=form1>
<
input
type
=text
name
=text1
value
="dgdgdfgfd"
onclick
=this.select()>
</
script
>
7.
查看对象属性
<
script
>
for
(prop
in
window)
{document.write("window."+prop+"="+window[prop]+"<br>");}
for
(prop2
in
location)
{document.write("location."+prop2+"="+location[prop]+"<br>");}
</
script
>
8.
使用
Array
对象
<
script
>
array=
new
Array(10)
array[0]="bark"
array[1]="apple"
array[2]="nebula"
array[3]="cookie"
array[4]="technology"
document.write("
数组元素个数是
"+array.Length+"<br>")
document.write("
用
join
将数组合并
"+array.join("
")+"<br>")
document.write("
数组排序
"+array.sort())
</
script
>
9.
使用
image
对象
<
img
src
=**.gif
alt
="
图片提示
…."
border
=10>
<
script
>
document.write("
图片提示是
:"+document.images[0].alt+"<br>")
document.write("
图片边框大小是
:"+document.images[0].broder)
</
script
>
10.
预加载图像
<
script
>
freddy=
new
Image()
freddy.src=freddy.gif
</
script
>
<
body
onload
=document.images[0].src=freddy.src>
,
<
img
src
="blank.gif">
</
body
>
11.
改变图像
<
img
src
=freddy.gif><
br
>
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
改变图像
"
onclickd
=document.images[0].src=/wenzhang/UploadPic/2010-4/2010412122754576.gif>
</
form
>
12.
使用
link
和
anchor
对象
<
a
name
=anchor1>
锚点
1
<
br
>
<
a
href
=http://www.microsoft.com>
Microsoft
</
a
><
br
>
<
a
href
=http://www.sohu.com>
sohu
</
a
><
br
>
<
a
href
=http://www.sina.com.cn>
sina
</
a
><
br
>
<
script
>
document.write("
本页面共有
"+document.links.length+"
链接
"+"<br>")
document.write("
本页面共有
"+document.anchors.length+"
锚点
"+"<br>")
document.write("
第一个链接协议是
"+document.links[0].protocol+"<br>")
document.write("
第一个链接路径是
"+document.links[0].pathnamel+"<br>")
document.write("
第一个链接
href
是
"+document.links[0].hrefl+"<br>")
</
script
>
13.
改变链接
<
a
href
=http://www.microsoft.com>
link
</
a
>
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
改变链接
"
onclick
=document.links[0].href='http://www.sohu.com'>
</
form
>
14.
使用
history
对象
<
form
name
=form1>
<
input
type
=button
name
=button1
value
="
向后返回
2
页
"
onclick
=window.history.go(-2)>
</
form
>
第八章
使用窗口
1.
在浏览器的状态栏上显示文本
<
body
onload
=window.status="
欢迎光临我的站点
">
<
a
href
=http://www.sohu.com>
sohu
</
a
>
</
body
>
2.
改变背景色
<
script
>
document.bgColor="orange"
</
script
>
3.
列举背景颜色
<
body
bgColor
=green>
<
script
>
document.write("
当前背景色是
:"+document.bgColor)
</
script
>
</
body
>
4.
改变文本和链接颜色
<
script
>
document.bgColor="orange"
document.fgColor="blue"
document.linkColor="red"
</
script
>
<
h2
>
看看这段文本颜色
</
h2
>
<
a
href
=http://www.sohu.com>
sohu
</
a
>
</
body
>
5.
改变文档标题
<
script
>
name="Mouse"
document.title="welcome to "+name+"'s
House"
document.write(document.title)
</
script
>
6.
显示修改日期
<
script
>
document.write("
本页面最后修改时间是
"+document.lastModified)
</
script
>
7.
查看当前文档的
URL
<
script
>
document.write("
本页面的
URL:"+document.URL)
</
script
>
8.
查看引用页
<
script
>
document.write("
本页面的引用页是
"+document.referrer)
</
script
>
9.
打开新的浏览器窗口
<
script
>
window.open("*.htm","title","width=200,height=400,resizable=yes")
</
script
>
10.
关闭远程窗口
close.html:
<
script
>
document.write("
正文
")
</
script
>
<
form
name
=form1>
<
input
type
=button
name
=button1value="
关闭
"
onclick
=window.close()>
</
form
>
open.html
<
script
>
window.open("close.html","romote","width=200,height=400,resizable=yes")
</
script
>
11.
打印窗口
<
script
>
document.write("
正文
")
</
script
>
<
form
name
=form1>
<
input
type
=button
value
=
打印
onclick
=window.print()>
</
form
>
12.
移动窗口
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=20>
垂直方向
<
input
type
=text
name
=y
value
=50>
<
input
type
=button
value
="
移动窗口到
…"
onclick
=window.moveTo(document.form1.x.value,document.form1.y.value)>
</
form
>
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=20>
垂直方向
<
input
type
=text
name
=y
value
=50>
<
input
type
=button
value
="
移动窗口
"
onclick
=window.moveBy(document.form1.x.value,document.form1.y.value)>
</
form
>
13.
改变窗口大小
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=200>
垂直方向
<
input
type
=text
name
=y
value
=500>
<
input
type
=button
value
="
改变窗口大小到
….."
onclick
=window.resizeTo(document.form1.x.value,document.form1.y.value)>
</
form
>
<
form
name
=form1>
水平方向
<
input
type
=text
name
=x
value
=200>
垂直方向
<
input
type
=text
name
=y
value
=500>
<
input
type
=button
value
="
改变窗口大小
"
onclick
=window.resizeBy(document.form1.x.value,document.form1.y.value)>
</
form
>
14.
用警告对话框通知用户
<
script
>
window.alert("welcome")
</
script
>
15.
用提示对话框接受输入
<
script
>
name=window.prompt("
输入姓名
","
姓名
")
document.write("
欢迎您
:"+name+"
来到这里
")
</
script
>
16.
用确认对话框使用户做出决定
<
script
>
like=window.confirm("
你觉得好吗
?")
if
(like==
true
)
document.write("
谢谢你的夸奖
")
else
document.write("
希望得到你的夸奖
")
</
script
>
第九章
使用字符串
1.
使用字符串对象
<
script
>
mystring="gdgdfgfddddaaaaaaaaaaaabbbbbbbbbbbbbbbbbvbhg.<br>"
document.write(mystring)
document.write(mystring.bold())
document.write(mystring.toUpperCase())
</
script
>
2.
使用子字符串
<
script
>
str1="fdsf 1111 gfdgfd dfdsf cccc
dddd.<br>"
document.write(str1)
document.write(str1.substring(0,13)+"<br>")
document.write(str1.substr
(20,11)+"<br>")
</
script
>
3.
连接字符串
<
script
>
str1="may you find"
str2="peace,happiness and
prosperity.<br>"
document.write(str1+"<br>")
document.write(str2)
document.write(str1.concat(str2))
document.write(str1+=str2)
</
script
>
4.
格式化字符串变量
<
script
>
str1="peace,happiness and
prosperity.<br>"
document.write(str1)
document.write(str1.big())
document.write(str1.small())
document.write(str1.bold())
document.write(str1.italics())
document.write(str1.strike())
document.write(str1.fontsize(6))
document.write(str1.fontcolor(green))
</
script
>
5.
创建锚和链接
<
script
>
str1="this is the bigginning of the
page.<br>"
str2="….<br>"
str3="this is the end of the page
.<br>"
str4="link to the start<br>"
str5="link to the end<br>"
document.write(str1.anchor("start"))
for
(i=0;i<10;i++)
document.write(str2);
document.write(str3.anchor("end"))
document.write(str4.link("#start"))
document.write(str5.link("#end"))
</
script
>
6.
确定字符串长度
<
script
>
str1="this is the bigginning of the
page."
document.write(str1+"<br>")
document.write( "
字符串的长度是
:"+str1.length)
document.write("
字符串全部大写是
;"+str1.toUpperCase())
document.write("
字符串全部小写是
;"+str1.toLowerCase())
</
script
>
7.
在字符串内搜索
<
script
>
str1="this is the end of the
line.<br>"
document.write(str1)
document.write("
字符
end
在字符串的位置是
"+str1.search("end"))
document.write("
字符
dog
在字符串的位置是
"+str1.search("dog"))
</
script
>
8.
定位字符串中的字符
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
document.write("the index for the second
word ‘and' is"+str1.indexOf("and",30))
documednt.write("the last index of the
word ‘and' is "+str1.lastIndexOf("and"))
</
script
>
9.
替换字符串中的文本
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
document
.write(str1.replace("and",","))
</
script
>
10.
字符串分离
<
script
>
str1="spring is a time for flowers and
trees and baby bunnles<br>"
document.write(str1)
str1array=str1.split("
")
document.write(str1array[0]+"<br>")
document.write(str1array[1]+"<br>")
document.write(str1array[2]+"<br>")
document.write(str1array[3]+"<br>")
</
script
>
第十章
使用日期和时间
1.
使用
Date
对象
<
script
>
cdate=
new
Date("august 2,1989 12:30:00")
document.write(cdate)
</
script
>
2.
显示当地时间和日期
<
script
>
cdate=
new
Date()
document.write("
当前时间是
:"+cdate.toGMTString()+"<br>")
document.write("
日期和时间是
:"+cdate.toLocaleString())
</
script
>
3.
获得时间和日期值
<
script
>
cdate=
new
Date()
document.write("
显示当前的星期
"+cdate.getDay()+"<br>")
document.write("
显示当前的月份
"+cdate.getMonth()+"<br>")
document.write("
显示当前的日期
"+cdate.getDay()+"<br>")
document.write("
显示当前的年份
"+cdate.getYear()+"<br>")
document.write("
显示当前的小时
"+cdate.getHours()+"<br>")
document.write("
显示当前的分钟
"+cdate.getMinutes()+"<br>")
document.write("
显示当前的秒
"+cdate.getSeconds()+"<br>")
</
script
>
4.
设置时间和日期值
<
script
language
=javascript>
cdate=
new
Date("December 25,1984")
document.write("
显示日期
"+cdate+"<br>")
document.write("
设置月份
"+cdate.setMonth(10)+"<br>")
document.write("
设置日期
"+cdate.setDate(23)+"<br>")
document.write("
设置年份
"+cdate.setYear(2000)+"<br>")
document.write("
设置小时
"+cdate.setHours(13)+"<br>");
document.write("
设置分钟
"+cdate.setMinutes(47)+"<br>");
document.write("
设置秒
"+cdate.setSeconds(23)+"<br>");
document.write("
显示设置后的日期和时间
"+cdate);
</
script
>
第十一章
使用
Math
对象
1.
使用
Math
对象
<
script
language
=javascript>
</
script
>
<
form
name
=form1>
圆的半径
:
<
input
type
=text
name
=rad><
br
>
圆的面积
:
<
input
type
=text
name
=area><
br
>
<
input
type
=button
name
=button1
value
=
计算圆的面积
onclick
=document.form1.area.value=document.form1.rad.value*document.
form1.rad.value*Math.PI
>
</
form
>
2.
生成随机数
<
script
>
array1=
new
Array(
"
这是第
1
句
",
"
这是第
2
句
",
"
这是第
3
句
",
"
这是第
4
句
",
"
这是第
5
句
",
"
这是第
6
句
")
RandomNo=Math.floor(array1.length*Math.random())
document.write("
随机输出某一句
"+"<br>"+array1[RandomNo])
</
script
>
3.
使用平方根
<
form
name
=form1>
value:
<
input
type
=text
name
=va1><
br
>
平方根
<
input
type
=text
name
=sqrt><
br
>
<
input
type
=button
name
=button1
value
=
计算平方根
onclick
="document.form1.sqrt.value=Math.sqrt(document.form1.va1.value)">
</
form
>
4.
数字的舍入
<
form
name
=form1>
输入
<
input
type
=text
name
=val><
br
>
舍入的结果
<
input
type
=text
name
=round><
br
>
<
input
type
=button
name
=button1
value
=
计算结果
onclick
=document.form1.round.value=Math.round(document.form1.val.value)>
</
form
>
5.
乘方运算
<
form
name
=form1>
底数
<
input
type
=text
name
=val><
br
>
指数
<
input
type
=text
name
=power><
br
>
幂
<
input
type
=text
name
=result><
br
>
<
input
type
=button
name
=button1
value
=
计算结果
onclick
="document.form1.result.value=Math.pow
(document.form1.val.value,document.form1.power.value)">
</
form
>
6.
发现最小值和最大值
<
form
name
=form1>
数字
1
<
input
type
=text
name
=val1><
br
>
数字
2
<
input
type
=text
name
=val2><
br
>
最小值
<
input
type
=text
name
=min><
br
>
最大值
<
input
type
=text
name
=max><
br
>
数字
1
<
input
type
=button
value
=
计算
onclick
="document.form1.min.value=Math.min
(document.form1.val1.value,document.form1.val2.value);document.form1.
max.value=
Math.max(document.form1.val1.value,document.form1.val2.value)">
</
form
>
第十二章
使用表单
1.
使用文本框
<
form
name
=form1>
<
input
type
=text
value
="information
,please"
name
=text1>
</
form
>
<
script
>
document.write("
表单
text1
类型是
:
"+document.form1.text1.type+"<br>")
document.write("
表单
text1
名称是
:
"+document.form1.text1.name+"<br>")
document.write("
表单
text1
值是
:
"+document.form1.text1.value+"<br>")
document.write("
表单
text1
大小是
:
"+document.form1.text1.size+"<br>")
</
script
>
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=click
here
onfocus
=document.form1.text1.select()>
</
form
>
2.
使用密码框
<
form
name
=form1>
<
input
type
=password
name
=pw1
value
=daylight>
</
form
>
<
script
>
document.write("
表单
pw1
的类型
:"+document.form1.pw1.type+"<br>")
document.write("
表单
pw1
的名称
:"+document.form1.pw1.name+"<br>")
document.write("
表单
pw1
的值
:"+document.form1.pw1.value+"<br>")
document.write("
表单
pw1
的大小
:"+document.form1.pw1.size+"<br>")
</
script
>
3.
使用隐藏字段
<
form
name
=form1>
<
input
type
=hidden
name
=hid1
value
=piece
of eight
>
</
form
>
<
script
>
document.write("
表单
hid1
的类型
:"+document.form1.hid1.type+"<br>")
document.write("
表单
hid1
的名称
:"+document.form1.hid1.name+"<br>")
document.write("
表单
hid1
的值
:"+document.form1.hid1.value+"<br>")
</
script
>
4.
使用文本区域框
<
form
name
=form1>
<
textarea
name
=ta1>
how many grains of sand are there in the sahara
desert?
</
textarea
>
</
form
>
<
script
>
document.write("
表单
ta1
的类型
:"+document.form1.ta1.type+"<br>")
document.write("
表单
ta1
的名称
:"+document.form1.ta1.name+"<br>")
document.write("
表单
ta1
的值
:"+document.form1.ta1.value+"<br>")
document.write("
表单
ta1
的横向宽度
:"+document.form1.ta1.cols+"<br>")
document.write("
表单
ta1
的纵向宽度
:"+document.form1.rows.value+"<br>")
</
script
>
6.
使用重置按钮
<
form
name
=form1>
<
input
type
=reset
name
=reset1
value
="rest form">
</
form
>
<
script
>
document.write("
表单
reset1
的类型
:"+document.form1.reset1.type+"<br>")
document.write("
表单
reset1
的名称
:"+document.form1.reset1.name+"<br>")
document.write("
表单
reset1
的值
:"+document.form1.reset1.value+"<br>")
</
script
>
7.
使用提交按钮
<
form
name
=form1>
<
input
type
=submit
name
=submit1
value
="submit form">
</
form
>
<
script
>
document.write("
表单
submit1
的类型
:"+document.form1.submit1.type+"<br>")
document.write("
表单
submit1
的名称
:"+document.form1.submit1.name+"<br>")
document.write("
表单
submit1
的值
:"+document.form1.submit1.value+"<br>")
</
script
>
8.
使用复选按钮
<
form
name
=form1>
<
input
type
=checkbox
name
=cb1
>
computer savvy?
</
form
>
<
script
>
document.write("
表单
cb1
的类型
:"+document.form1.cb1.type+"<br>")
document.write("
表单
cb1
是否被选择
?:"+document.form1.cb1.checked+"<br>")
document.write("
表单
cb1
的名称
:"+document.form1.cb1.name+"<br>")
</
script
>
9.
使用单选按钮
<
form
name
=form1>
<
input
type
=radio
name
=radio1>
male
<
input
type
=radio
name
=radio1>
female
</
form
>
<
script
>
document.write("
第一个按钮被选择
"+document.form1.radio1[0].checked+"<br>")
document.write("
第二个按钮被选择
"+document.form1.radio1[1].checked+"<br>")
document.write("
按钮的名称
"+
document.form1.radio1[0].name+"<br>")
document.write("
按钮的个数
"+document.form1.radio1.length)
</
script
>
10.
使用选择列表
<
form
name
=form1>
<
select
name
=select1
size
=4>
<
option
name
=option1
value
=lon>
london,England
</
option
>
<
option
name
=option2
value
=dub>
Dublin,Ireland
</
option
>
</
select
>
</
form
>
<
script
>
document.write("
这个选择列表的名称
"+document.form1.select1.name+"<br>")
document.write("
这个选择列表的长度
"+document.form1.select1.length+"<br>")
document.write("
这个选择列表当前被选择的索引号
"+document.form1.select1.selectedIndex+"<br>")
document.write("
这个选择列表的尺寸
"+document.form1.select1.size+"<br>")
</
script
>
11.
验证表单的有效性
<
script
>
function
validate()
{
if
(document.form1.text1.value!='1'||'2'||'3'||'4')
{
alert("
请输入
1~4
的整数
")
}
}
</
script
>
<
form
name
=form1>
请输入
1~4
的整数
:
<
input
type
=text
name
=text1
size
=4
onchange
=validate()>
</
form
>
12.
控制表单焦点
<
form
name
=form1>
<
input
type
=text
name
=text1
value
=where
is you
focus?
><
br
>
<
input
type
=text
name
=text2
value
=is
there?
><
br
>
<
input
type
=text
name
=text3
value
=or
maybe here?
><
br
>
<
input
type
=button
name
=button1
value
="text box #1"
onclick
=document.form1.text1.focus()><
br
>
<
input
type
=button
name
=button2
value
="text box #2"
onclick
=document.form1.text2.focus()><
br
>
<
input
type
=button
name
=button3
value
="text box #3"
onclick
=document.form1.text3.focus()><
br
>
</
form
>
第十三章
使用分栏
第十四章
使用
navigator
1.
使用
navigator
对象
<
script
>
document.write("navigator
对象的属性
"+"<br>")
document.write("appcodename:"+navigator.appCodeName+"<br>")
document.write("appname::"+navigator.appName+"<br>")
document.write("appversion:"+navigator.appVersion+"<br>")
document.write("platform:"+navigator.platform+"<br>")
document.write("userAgent:"+navigator.userAgent+"<br>")
</
script
>
<
script
>
document.write("navigator
对象的方法
"+"<br>")
document.write("javaEnabled():"+navigator.javaEnabled())
</
script
>
2.
检查用户的浏览器
<
script
>
if
(navigator.appName.indexOf("Microsoft")!=-1)
{
document.write("
用户浏览器是微软的
IE
浏览器
"+"<br>")}
else
if
(navigator.appName.indexOf("Netscape")!=-1)
{
document.write("
用户浏览器是
netscape
的
netscape
浏览器
"+"<br>")}
if
(navigator.appVersion.indexOf("4.0")!=-1)
{
document.write("you are using a version
4.0compatible browser")
}
else
{
document.write("this browser is not 4.0
compliant")}
</
script
>
3.
检测用户的操作系统
<
script
>
if
(navigator.platform.indexOf("win32")!=-1)
{
document.write("you are using a computer
running windows 95 or highter")}
else
{
document.write("this computer is not
running windows 95 or higher")}
</
script
>
4.
使用
location
对象
<
script
>
document.write("location
对象的属性
"+"<br>")
document.write("hash"+location.hash+"<br>")
document.write("hostname"+location.hostname+"<br>")
document.write("host"+location.host+"<br>")
document.write("href"+location.href+"<br>")
document.write("port"+location.port+"<br>")
document.write("search"+location.search+"<br>")
</
script
>
重新加载网页
<
form
name
=form1>
<
input
type
=button
name
=button1
value
=
重新加载本页
onclick
=location.reload>
</
form
>
5.
使用
cookie
<
script
>
finction makecookie()
{
if
(!document.cookie)
{
name=prompt("
请输入你的姓名
");
document.cookie="name="+name+";";}
}
</
script
>
<
body
onload
=makecookie()>
<
script
>
function
makecookie()
{
if
(!document.cookie)
{
name=prompt("
请输入你的姓名
")
document.cookie="name="+name+";";
namestart=document.cookie.indexOf("=");
nameend=document.cookieindexOf(";");
document.writeln("your name
is:"+document.cookie.substring(namestart+1,nameend)+",br>")
}
}
</
script
>