<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function childcount(){
var node_=document.getElementsByTagName("body")[0];
var node_child=node_.childNodes;
alert(node_.childNodes.length);//body中alert内的hellobody改为单引号则仅加载body.onload 为双引号则加载window.onload
alert("hello,world");
}
window.onload=childcount;
</script>
</head>
<body onload="alert("hello,body");">
<p>You deserved it,don't you think so!</p>
<a href="http://wwww.baidu.com"><img src="img/naruto.jpeg"></a>
</body>
</html>
注意dom对象属性的字符串闭合。。
<body onload="alert('hello,body');">
http://www.360doc.com/content/09/0701/15/16915_4099633.shtml