JQ中$(document.ready())

js中window.onload与jquery中$(document.ready())的区别

<html>
<head>
<script type='text/javascript' src='jquery-1.3.2.min.js'></script>
<script type='text/javascript'>
    $(document).ready(function(){
        alert("先加载DOM结构,再弹出对话框,后加载大型图片及内容");
    });
  
   //***************
   //window.onload=function(){ alert("先加载DOM结构,后加载大型图片及内容,再弹出对话框");}
   //***************
</script>
</head>
<body>
<p>大量内容</p>
<img src='aa.jpg'/>
</body>
</html>

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