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| <!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Hello, World!</title>
<script>
function SayHello(){
document.getElementById("myMessage").innerHTML = "Hello, World!";
}
</script>
</head>
<body>
<script>
document.write("<h1>我们的第一个 JavaScript 程序</h1>");
document.write("<p id=\"myMessage\">哦， 试试下面的按钮...</p>");
</script>
<button type="button" onClick="SayHello()">尝试一下</button>
</body>
</html>
|