numericscrollexample2.htm

来自「javascript高级程序设计 源码」· HTM 代码 · 共 20 行

HTM
20
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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