📄 numericscrollexample2.htm
字号:
<html>
<head>
<title>Numeric Scroll Example</title>
<script type="text/javascript" src="detect.js"></script>
<script type="text/javascript" src="eventutil.js"></script>
<script type="text/javascript" src="textutil.js"></script>
</head>
<body>
<p>Type a number into the textbox, then press the up or down arrow. The value won't
decrement below 0 and won't increment above 100.</p>
<form method="post" action="javascript:alert('Submitted')">
<input type="text" onkeypress="return TextUtil.allowChars(this, event)"
validchars="0123456789" onblur=" TextUtil.blurAllow(this)"
onkeydown=" TextUtil.numericScroll(this, event)"
max="100" min="0" />
<input type="submit" value="Submit Form" />
</form>
</body>
</html>
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