时间:2021-07-01 10:21:17 帮助过:3人阅读
本文实例讲述了JS实现简洁、全兼容的拖动层。分享给大家供大家参考。具体分析如下:
这是一款最简洁的JS层拖动代码,全兼容ie、ff、opera、safari……每一种浏览器都有对应的判断和实现方法,你只需到你的网页中就可使用。水平高的朋友可以继续修改,添加更多方法,使其功能更强大。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JS拖动层</title> </head> <body> <div id="f" style="position: absolute; width: 216px; height: 138px; background-color: skyblue;font-size: 12px; top: 210px; left: 180px; z-index: 101; border: solid 1px blue;"> <div id="title" style="background-color: Blue; cursor: move; height: 20px; color: #fff;font-size: 12px; padding-top: 5px; padding-left: 10px;">层的标题</div> 层的内容 </div> <script type="text/javascript"> var posX; var posY; fdiv = document.getElementById("f"); document.getElementById("title").onmousedown=function(e) { if(!e) e = window.event; //IE posX = e.clientX - parseInt(fdiv.style.left); posY = e.clientY - parseInt(fdiv.style.top); document.onmousemove = mousemove; } document.onmouseup = function() { document.onmousemove = null; } function mousemove(ev) { if(ev==null) ev = window.event;//IE fdiv.style.left = (ev.clientX - posX) + "px"; fdiv.style.top = (ev.clientY - posY) + "px"; } </script> </body> </html>
希望本文所述对大家的javascript程序设计有所帮助。