JS自定义滚动条效果
本文实例为大家分享了JS自定义滚动条的具体代码，供大家参考，具体内容如下
<head> <meta charset='UTF-8'> <title></title> <style type='text/css'> #all{ width: 500px; height: 50px; background-color: sandybrown; border-radius: 25px; margin: 0 auto; position: relative; } #div1{ width: 50px; height: 50px; border-radius: 50%; background-color: rosybrown; position: absolute; } #box{ background-color: yellow; position: absolute; top: 200px; left: 200px; } </style></head><body> <div id='all'> <div id='div1'></div> </div> <div id='box'></div> <script type='text/javascript'> var oAll = document.getElementById('all'); var oDiv1 = document.getElementById('div1'); var oBox = document.getElementById('box'); var maxL = oAll.clientWidth - oDiv1.offsetWidth; oDiv1.onmousedown = function(){ var ev = ev || window.event; var lessX = ev.clientX - oDiv1.offsetLeft; document.onmousemove = function(){ var ev = ev || window.event; var posL = ev.clientX - lessX; if(posL<0){ posL = 0; } if(posL>maxL){ posL = maxL; } oDiv1.style.left = posL + 'px'; //滚动条移动的百分比 //oDiv1.offsetLeft/maxL var per = posL/maxL; //定义宽0~300 oBox.style.width = 300*per+'px'; oBox.style.height = 300*per+'px'; oBox.style.marginTop = -oBox.offsetHeight/2+'px'; oBox.style.marginLeft = -oBox.offsetWidth/2+'px'; } } document.onmouseup =function(){ document.onmousemove = null; } </script></body>
更多关于滚动效果的精彩文章点击下方专题：
javascript滚动效果汇总
jquery滚动效果汇总
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好吧啦网。
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