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来自维基百科，自由的百科全书
動態HTML（Dynamic HTML，簡稱DHTML、DHML）指的是網頁內容隨著使用者或電腦程式提供的參數而變化的HTML，通過結合HTML、使用者端手稿語言（Client Side Script，如JavaScript）、串接樣式表（CSS）和文件物件模型（DOM）來建立動態網頁內容。
動態HTML技術根據執行地點，分為客戶端指令碼（也稱瀏覽器指令碼）和伺服器指令碼。
最常見的例子包括：
一個典型的使用 DHTML 如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DHTML example</title>
<script type="text/javascript">
function init() {
myObj = document.getElementById("navigation");
// .... more code
}
window.onload=init;
</script>
</head>
<body>
<div id="navigation"></div>
<pre>
Often the code is stored in an external file; this is done by linking the file that contains the JavaScript.
This is helpful when several pages use the same script:
</pre>
<script type="text/javascript" src="myjavascript.js"></script>
</body>
</html>
範例如下：[1]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Test</title>
<style type="text/css">
h2 {background-color: lightblue; width: 100%}
a {font-size: larger; background-color: goldenrod}
a:hover {background-color: gold}
#example1 {display: none; margin: 3%; padding: 4%; background-color: limegreen}
</style>
<script type="text/javascript">
function changeDisplayState (id) {
d=document.getElementById("showhide");
e=document.getElementById(id);
if (e.style.display == 'none' || e.style.display == "") {
e.style.display = 'block';
d.innerHTML = 'Hide example..............';
} else {
e.style.display = 'none';
d.innerHTML = 'Show example';
}
}
</script>
</head>
<body>
<h2>How to use a DOM function</h2>
<div><a id="showhide" href="javascript:changeDisplayState('example1')">Show example</a></div>
<div id="example1">
This is the example.
(Additional information, which is only displayed on request)...
</div>
<div>The general text continues...</div>
</body>
</html>
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