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<meta charset=\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"utf-8\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\">
<title>W3Cschool教程(w3cschool.cn)</title>
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<h1>我的第一个 JavaScript 程序</h1>
<p id=\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"demo\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\">这是一个段落</p>
<button type=\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"button\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" onclick=\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"displayDate()\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\">显示日期</button>
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