km3945
(km3945)
版主
  
版主
UID 46538
精华
0
积分 1320
帖子 1284
金钱 1320 喜悦币
威望 0
人脉 0
阅读权限 100
注册 2004-11-8
状态 离线
|
[推荐阅读] 完了完了....高考失败!
<?php
<html>
<head>
<title>JavaScript and the DOM</title>
<script language="JavaScript">
function test() {
var myDocument = document;
var htmlElement = myDocument.documentElement;
alert("The root element of the page is " + htmlElement.nodeName);
var headElement = htmlElement.getElementsByTagName("head")[0];
if (headElement != null) {
alert("We found the head element, named " + headElement.nodeName);
var titleElement = headElement.getElementsByTagName("title")[0];
if (titleElement != null) {
if (myDocument.all)
{
alert("The page title is '" + titleElement.innerHTML + "'");
}
else
{
var titleText = titleElement.firstChild;
alert("The page title is '" + titleText.nodeValue + "'");
}
}
var bodyElement = headElement.nextSibling;
while (bodyElement.nodeName.toLowerCase() != "body") {
bodyElement = bodyElement.nextSibling;
}
// We found the <body> element...
// Remove all the top-level <img> elements in the body
if (bodyElement.hasChildNodes()) {
for (i=0; i<bodyElement.childNodes.length; i++) {
var currentNode = bodyElement.childNodes[i];
if (currentNode.nodeName.toLowerCase() == "img") {
bodyElement.removeChild(currentNode);
}
}
}
}
}
</script>
</head>
<body>
<p>JavaScript and DOM are a perfect match.
You can read more in <i>Head Rush Ajax</i>.</p>
<img src="http://www.headfirstlabs.com/Images/hraj_cover-150.jpg" />
<input type="button" value="Test me!" onClick="test();" />
</body>
</html>
?>
| 
学会用下半身来思考！ |
|
