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HTML ? CSS
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XML ? SQL
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JavaScript? ?? ???? ?????!
JavaScript? ??? ?? ? ????? ??? ??, ?? ??? ??, ???? ??, ?? ?? ?? ?? ?????.
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<script>
function displayDate(){
document.getElementById("demo").innerHTML=Date();
}
</script>
</head>
<body>
<h1>我的第一個(gè) JavaScript 程序</h1>
<p id="demo">這是一個(gè)段落</p>
<button type="button" onclick="displayDate()">顯示日期</button>
</body>
</html>???? ?? ?
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