JavaScript

最新推荐文章于 2025-08-21 23:36:32 发布

weixin_34319999

最新推荐文章于 2025-08-21 23:36:32 发布

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文章标签： javascript ViewUI

测试一：

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
	<Script type="text/javascript">
	</Script>
 </HEAD>
 <BODY>
 </BODY>
</HTML>

测试二：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
	<SCRIPT LANGUAGE="JavaScript" src="2.js">
    </SCRIPT>
 </HEAD>

 <BODY>
   从外部引入javascript
 </BODY>
</HTML>

2.js
代码：

测试三：

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
 </HEAD>

 <BODY>
<SCRIPT LANGUAGE="JavaScript">
	document.write("<br>这是以javascript打印出来的！<br>");
  </SCRIPT>  
 </BODY>
</HTML>

测试四：

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
  <SCRIPT LANGUAGE="JavaScript">
	var greeting;
	greeting="hello,i am Hongten!";
  </SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(greeting);
  </SCRIPT>
 </BODY>
</HTML>

测试五：变量

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var greeting;
	greeting="Hello world<br>";
	test="I am Hongten";
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(greeting);
	document.write(test);
  </SCRIPT>
 </BODY>
</HTML>

测试六：数组

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var arr=new Array(3);
	arr[0]=1;
	arr[1]=2;
	arr[2]=3;
	arr[3]=4;
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(arr[3]);
  </SCRIPT>
 </BODY>
</HTML>

测试七：算术运算

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var result;
	result=3*3;
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(result);
  </SCRIPT>
 </BODY>
</HTML>

测试八：逻辑运算

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
	<SCRIPT LANGUAGE="JavaScript">
		var result1,result2,result3;
		result1=true&&false;
		result2=true||false;
		result3=!true;
	</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write("result1:"+result1+"<br>");
	document.write("result2:"+result2+"<br>");
	document.write("result3:"+result3+"<br>");
  </SCRIPT>
 </BODY>
</HTML>

测试九：字符串连接

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var greeting,name;
	greeting="hello,";
	name="i am Hongten";
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(greeting+name);
  </SCRIPT>
 </BODY>
</HTML>

测试十：字符串子集

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var greeting;
	greeting="hello, i am Hongten";
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write(greeting.substring(3,13));
  </SCRIPT>
 </BODY>
</HTML>

测试十一：条件操作

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var result1;
	result1=3>4?"yes":"no";
</SCRIPT>
 </HEAD>

 <BODY>
  <SCRIPT LANGUAGE="JavaScript">
	document.write("result:"+result1);
  </SCRIPT>
 </BODY>
</HTML>

测试十二：条件操作二

<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
	var today=new Date();
	var hour=today.getHours();
	if(hour<12){
		document.write("good morning!");
	}else if(hour==12){
		document.write("good noon!");
	}else{
		document.write("good night!");
	}
</SCRIPT>
 </HEAD>

 <BODY>
  
 </BODY>
</HTML>