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.uoften.com/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" style="font-size:36px; margin:100px;" value="点击" onclick="window.open('http://www.baidu.com')" />
</body>
</html>

希望本文所述对大家JavaScript程序设计有所帮助。

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