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本文实例为大家分享水平进度条拖拽效果的js具体代码，供大家参考，具体内容如下
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
.scroll{
margin:100px;
width: 500px;
height: 5px;
background: #ccc;
position: relative;
}
.bar{
width: 10px;
height: 20px;
background: #369;
position: absolute;
top: -7px;
left: 0;
cursor: pointer;
}
.mask{
position: absolute;
left: 0;
top: 0;
background: #369;
width: 0;
height: 5px;
}
</style>
</head>
<body>
<div class="scroll" id="scroll">
<div class="bar" id="bar">
</div>
<div class="mask" id="mask"></div>
</div>
<p></p>
<script>
var scroll = document.getElementById('scroll');
var bar = document.getElementById('bar');
var mask = document.getElementById('mask');
var ptxt = document.getElementsByTagName('p')[0];
var barleft = 0;
bar.onmousedown = function(event){
var event = event || window.event;
var leftVal = event.clientX - this.offsetLeft;
var that = this;
// 拖动一定写到 down 里面才可以
document.onmousemove = function(event){
var event = event || window.event;
barleft = event.clientX - leftVal;
if(barleft < 0)
barleft = 0;
else if(barleft > scroll.offsetWidth - bar.offsetWidth)
barleft = scroll.offsetWidth - bar.offsetWidth;
mask.style.width = barleft +'px' ;
that.style.left = barleft + "px";
ptxt.innerHTML = "已经走了" + parseInt(barleft/(scroll.offsetWidth-bar.offsetWidth) * 100) + "%";
//防止选择内容--当拖动鼠标过快时候，弹起鼠标，bar也会移动，修复bug
window.getSelection "text-align: center">
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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免责声明：本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除！
富贵资源网 Design By www.hznty.com
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