這樣為什么不是一次性刪除掉??
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無標題文檔</title>
</head>
<body>
<div id="content">
? <h1>html</h1>
? <h1>php</h1>
? <h1>javascript</h1>
? <h1>jquery</h1>
? <h1>java</h1>
</div>
<script type="text/javascript">
function clearText() {
? var content=document.getElementById("content");
? var a= document.getElementsByTagName("h1")
? for(var i=0;i<a.length;i++){
? ? content.removeChild(a[i])=null;
? } ? ?
}
</script>
<button onclick="clearText()">清除節點內容</button>
2016-06-03
<!DOCTYPE?HTML> <html> <head> <meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"> <title>無標題文檔</title> </head> <body> <div?id="content"><h1>html</h1><h1>php</h1><h1>javascript</h1><h1>jquery</h1><h1>java</h1></div> <script?type="text/javascript"> function?clearText()?{ ??var?content=document.getElementById("content"); ??var?a=?document.getElementsByTagName("h1"); ??var?len=a.length; ??for(var?i=0;i<len;i++){ ????content.removeChild(a[i]); ??}???? } </script> <button?onclick="clearText()">清除節點內容</button>2016-06-01
試試for (var i=a.length-1; i>0; i--)