Div里面為什么會有7個子節(jié)點(diǎn)哎？
<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>無標(biāo)題文檔</title>
</head>
<body>
<div>
??javascript??
??<p>javascript</p>
??<div>jQuery</div>
??<h5>PHP</h5>
</div>
<script?type="text/javascript">
?var?x=document.getElementsByTagName("div")[0].childNodes;
?document.write(x.length+"<br>");
?for(var?i=0;i<x.length;i++)
?{
????document.write(x[i].nodeType+"<br>");?????
}
?
</script>
</body>
</html>
2015-02-28
四個文本節(jié)點(diǎn),三個元素節(jié)點(diǎn)