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20191026/20191026.md
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20191026/20191026.md
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# 20191026
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* slider全功能
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[linkToHtml](./sliderFull.html)
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* `transform: translateY(-50%);` 垂直高度居中
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* ```js
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//焦点和图片不对等 当图片是第六张的时候焦点是第一张焦点
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spans[pic>4?0:pic].className = 'current';
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```
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20191026/sliderFull.html
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20191026/sliderFull.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>Document</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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ul {
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list-style: none;
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}
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.slider {
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width: 590px;
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height: 470px;
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border: 1px solid #ccc;
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padding: 10px;
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margin: 50px auto;
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}
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.inner {
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width: 590px;
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height: 470px;
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overflow: hidden;
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position: relative;
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}
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.inner ul {
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width: 1000%;
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position: absolute;
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}
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.inner ul li {
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float: left;
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}
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.focus {
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position: absolute;
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bottom: 30px;
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left: 30px;
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}
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.focus span {
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padding:5px;
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background: rgba(0, 0, 0, .5);
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border-radius: 50%;
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font-size: 0;
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cursor: pointer;
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display: inline-block;
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transition: all .2s ease;
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margin-left: 3px;
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}
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.focus span:hover ,.current{
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transform: scale(1.2);
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background: red;
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}
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.btns span {
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position: absolute;
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left: 10px;
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top: 50%;
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padding: 10px 20px;
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background: rgba(0, 0, 0, .5);
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color: #fff;
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font-size: 30px;
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cursor: pointer;
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transform: translateY(-50%);
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}
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.btns span:last-child {
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left:auto;
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right: 10px;
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}
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</style>
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</head>
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<body>
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<div class="slider" id="slider">
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<div class="inner">
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<ul>
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<li><a href="#"><img src="https://img20.360buyimg.com/pop/s590x470_jfs/t1/82345/16/13178/77786/5da93550E6449f58e/f5b14f641913efba.jpg.webp" alt="" srcset=""></a></li>
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<li><a href="#"><img src="https://img13.360buyimg.com/pop/s590x470_jfs/t1/73861/8/7311/133024/5d562902E29c956c1/da390c8c345c48e0.jpg.webp" alt="" srcset=""></a></li>
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<li><a href="#"><img src="https://img13.360buyimg.com/pop/s590x470_jfs/t1/79136/10/13206/197242/5da92d47Ee54665df/39d85a2990ba58d1.jpg.webp" alt="" srcset=""></a></li>
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<li><a href="#"><img src="https://imgcps.jd.com/ling/22692212401/6JGh6JCE6YWS6ZKc5oOg/6YOo5YiGMuS7tjXmipg/p-5bd8253082acdd181d02fa02/153dad62.jpg" alt="" srcset=""></a></li>
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<li><a href="#"><img src="https://img14.360buyimg.com/pop/s590x470_jfs/t1/46901/24/7545/62345/5d52317fEebadcf80/8fb168cddd5ef2b9.jpg.webp" alt="" srcset=""></a></li>
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</ul>
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<!-- <div class="focus">
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<span>1</span>
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<span>2</span>
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<span>3</span>
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<span>4</span>
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<span>5</span>
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</div> -->
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<div class="btns">
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<span><</span>
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<span>></span>
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</div>
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</div>
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</div>
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<script type="text/javascript">
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window.onload = function(){
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function my$(id) {
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return document.getElementById(id)
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}
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//获取元素 初始化dom结构 焦点需要跟据图片数量去生成
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var slider = my$('slider');
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var inner = slider.children[0]
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var ul = inner.children[0]
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var imgW = inner.offsetWidth
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var lis = ul.children
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var timer = null
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//根据li个数初始化焦点个数 初始化dom
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// 先生成div 设置类
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var div = document.createElement('div');
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//设置class
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div.classList.add('focus');
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//批量生成span
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for(var i = 0; i < lis.length; i++) {
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var span = document.createElement('span')
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span.innerHTML = i+1
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span.index = i
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// 给每个焦点绑定移入移出事件
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span.onmouseover = function() {
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//当前焦点变成选中状态
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//ul 向左滚动
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//排他
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clearInterval(timer);
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for(var i = 0; i< spans.length; i++) {
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spans[i].className = ''
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}
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this.className = 'current'
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// ul 向左移动多少
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pic = this.index
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animate(ul,-imgW*pic,10)
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}
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//鼠标移出
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span.onmouseout = function() {
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clearInterval(timer)
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timer = null
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timer = setInterval(run,2000)
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}
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div.appendChild(span)
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}
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//设置当前第一个焦点为选中状态
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//把div放进inner中
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inner.appendChild(div)
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var spans = div.children
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spans[0].className = 'current';
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//克隆最后一张图放到第一张
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ul.appendChild(ul.children[0].cloneNode(true))
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//自动播放 记录图片的第一张图的位置 索引
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var pic = 0;
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//设置图片自动播放
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timer = setInterval(run,2000)
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function run(){
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pic++;
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if(pic > 5) {
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pic = 1;
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ul.style.left = 0;
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}
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for(var i = 0; i< spans.length; i++) {
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spans[i].className = ''
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}
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//焦点和图片不对等 当图片是第六张的时候焦点是第一张焦点
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spans[pic>4?0:pic].className = 'current';
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//ul移动
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animate(ul,-imgW*pic)
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}
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//移动动画
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function animate(ele, target, step) {
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clearInterval(ele.timer)
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ele.timer = setInterval(function(){
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var current = ele.offsetLeft
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var step = step || 10
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step = target - current >= 0 ? step : -step
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current += step
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if(Math.abs(target - current) > Math.abs(step)) {
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ele.style.left = current + 'px';
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} else {
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clearInterval(ele.timer)
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ele.style.left = target + 'px'
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ele.timer = null
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}
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},10)
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}
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}
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</script>
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</body>
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</html>
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3
Miscellaneous/vue.md
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3
Miscellaneous/vue.md
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# VUE个人积累
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使用VUE-cli创建的项目发布之前必须将 config/index.js 中 build 下的 productionSourceMap: true, 改为 productionSourceMap: false, 否则生产环境中可以看见所有的源码
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11
README.md
11
README.md
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* [上课视频链接](https://pan.baidu.com/s/16mkeyFPbZJ7m-i8dAR8VtA&shfl=sharepset)
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提取码：1ixx
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---
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## 20191026
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[linkToMd](./20191026/20191026.md)
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* slider全功能
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* [上课视频链接](https://pan.baidu.com/s/1RFngCxipb5ZMZMx9nsNHBQ)
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提取码：s3un
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---
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