Prototype实战教程 3.$F

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"">
<html>
　　<head>
　　　　<title>$F</title>
　　　　<script type="text/javascript" language="javascript"
　　　　 src="prototype.js" ></script>
　　　　<script type="text/javascript" language="javascript">
　　　　function test()
　　　　{
　　　　　　alert($F("userName"));
　　　　}
　　　　</script>
　　</head>
　　<body>
　　　　<form>
　　　　　　<input type="text" id="userName" value="test username">
　　　　　　<input type="button" value="click" onclick="test()">
　　　　</form>
</html>

时间： 2025-01-22 15:47:39

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