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RSS订阅原创 JS中数组与字符串的常用属性和方法总结
``JS中数组与字符串的常用属性和方法总结window.onload = function () {// 数组常用方法// 1 concat() 拼接// let arr = [1,2,3];// console.log(arr.concat([4,5,6],7)) // [1,2,3,4,5,6,7]// 2 join() 分割为字符串// let arr = [1,2,3];// console.log(arr.join('&')); // 1&2&3// 3
2021-05-01 00:59:34
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原创 获取嵌入样式属性值兼容写法
```<script type="text/javascript"> // 获取元素的嵌入样式 var div = document.getElementsByTagName('div')[0]; // IE8- not support // getComputedStyle(div, null).width; // only IE // div.currentStyle.backgroundColor // 兼容写法 function getStyle(o
2021-04-27 20:35:51
143
原创 rem布局原理分析
/* rem布局 */ /* 我们拿到设计稿一般是750px宽度,这个时候可以利用js软件自动获取屏幕宽度 然后将其屏幕划分成10等分,这时淘宝的做法,然后将VW / 10 = fz 作为html标签的文字大小 此时我们拿到的设计稿尺寸是750px,那么这个时候我们的html字体大小是75px, 然后我们在写页面的时候都是按照html字体大小为75px来利用rem写页面, 我们这个时候就可以将设计稿中尺寸 / html字体大小.
2021-04-01 19:50:06
429
原创 将CSS引入HTML的方式
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-03-26 21:09:52
792
原创 CSS3之3D转换
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-03-26 19:56:40
95
原创 CSS3之2D转换
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-26 19:55:46
71
原创 H5新增标签和属性
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>D.
2021-03-16 23:27:24
89
原创 字体图标 精灵图 图片对齐方式
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>D.
2021-03-16 23:26:14
600
原创 定位
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-14 15:37:24
80
原创 浮动
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-09 22:07:29
84
原创 CSS三大特性
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-09 22:06:25
113
原创 复合选择器
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-07 22:47:45
111
原创 CSS选择器.文字样式和文本样式
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-03-05 06:47:48
260
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原创 存在问题
<h1>文本框和密码框 placeholder属性显示占位提示信息？？？</h1> <form action="" name="" method="GET"> <!-- 1 文本框和密码框 placeholder属性显示占位提示信息？？？ --> 用户名：<input type="text" name="uname" placeholder="请输入用户名" > <br> <
2021-03-03 09:58:57
91
原创 兼容总结
<!-- 多选框 checked 兼容问题-- 表单里面的默认选择的单选或者复选按钮有两种形式 - checked="checked" 兼容 - checked 在HTML5中新增的写法，只要兼容HTML5即可 那么那些浏览器不支持这种写法？？？ >...
2021-03-03 09:36:26
128
原创 表格标签、列表标签、表单标签
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-03 09:22:16
334
原创 call() apply() arguments
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-02 00:02:05
92
原创 第一天基本标签
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Doc
2021-03-01 22:32:41
135
原创 清除浮动的方法
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-28 20:54:19
96
原创 遍历数组及数组的方法
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-27 19:28:18
301
原创 数组属性和方法
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-25 20:41:47
331
原创 外边距塌陷
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-24 16:11:25
58
原创 选择器css部分属性总结
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-24 14:40:50
98
原创 html标签
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-22 12:16:40
90
原创 构造函数
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-10 23:22:44
86
原创 批量创建对象
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-09 20:34:39
275
原创 this指向
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Do
2021-02-09 20:14:27
84
原创 全局作用域 局部作用域（函数作用域）
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-05 10:47:34
348
原创 for...in..语句枚举对象属性
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-05 09:24:39
109
原创 对象的方法(method)
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-05 09:15:15
648
原创 立即执行函数
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-04 15:41:45
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原创 函数返回值类型
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-04 15:32:29
802
原创 调用函数的实参可以是任意数据类型
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-04 15:05:10
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原创 函数的返回值return
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-04 11:41:32
300
原创 函数参数
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-04 11:03:47
74
原创 object的增 删 改 差 and 属性名 属性值
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body> <script&
2021-02-03 10:51:24
175
空空如也
不明白框架是什么，指的是什么
2020-11-26
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