為什么不能輸出屬性值呢？
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無(wú)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 div=document.getElementByTagName("div")[0].childNodes;
?for(var i=0;i<div.length;i++){
? ??
? ? ?document.write(div[i].nodeName);
?}
?
?
</script>
</body>
</html>
2017-09-20
?var div=document.getElement ?s ??ByTagName("div")[0].childNodes;差一個(gè)s,我也經(jīng)常忘