谁帮我看下这个是什么意思?
<script language="javascript" src="112.js"></script>
<script type="text/javascript">
var init=function(){
var s=document.body.innerHTML;
var reg=/src="(.+?)"/gim;
var obj=reg.exec(s);
document.getElementById("content").innerText=obj[1];
}
</script>
<body onload="init();">
<div id="content"></div>
</body>