本文实例讲述了JS实现带有小手点击效果的鼠标跟随代码。分享给大家供大家参考，具体如下：
一个跟随鼠标的小手效果，鼠标移在哪里，小手就跟着移向哪里，会出现手的效果，放在链接上的时候，手会变化，两只手很可爱哦，JS鼠标跟随代码分享与大家。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-handle-style-focus-codes/
具体代码如下：
<!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>可爱的鼠标跟随</title> <style> html{ background:#000;} body,html,input{ cursor:none;} body,html{ height:100%;} #cursor{ position:absolute; left:100px; top:100px; display:block;} </style> <script> window.onload = function(){ var oCursor = document.getElementById("cursor"); document.onmousemove=function (ev){ var oEvent=ev||event, oWidth = document.documentElement.clientWidth, oHeight = document.documentElement.clientHeight, scrollTop=document.documentElement.scrollTop + oEvent.clientY, scrollLeft=document.documentElement.scrollLeft + oEvent.clientX; if(scrollTop > oHeight-oCursor.offsetHeight){ oCursor.style.top = oHeight-oCursor.offsetHeight+'px'; }else if(scrollTop < 0){ oCursor.style.top = 0; }else{ oCursor.style.top = scrollTop+'px'; } if(scrollLeft > oWidth-oCursor.offsetWidth){ oCursor.style.left = oWidth-oCursor.offsetWidth+'px'; }else{ oCursor.style.left = scrollLeft+'px'; } document.onmousedown = function(){ oCursor.innerHTML = "<img src='images/cursor_hover.png' />"; return false; } document.onmouseup = function(){ oCursor.innerHTML = "<img src='images/cursor.png' />"; } }; } </script> </head> <body> <div id="cursor"><img src="images/cursor.png" /></div> <input type="button" value="点击" /> </body> </html>
希望本文所述对大家JavaScript程序设计有所帮助。