大家?guī)兔纯催@個(gè)代碼有什么問題？謝謝！
<!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;
?for(var i=0;i<x.length;i++){
? ? ?document.write(x[i].nodeName+x[i].nodeValue+x[i].nodeType+"</br>");
?}
?
</script>
</body>
</html>
2019-06-10
ByTagName("div")[0],childNodes
childNodes前用了逗號(hào)