日期:2014-05-16 浏览次数:20316 次
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<html> <body> <script type="text/javascript"> function noNumbers(e) { var keynum var keychar var numcheck if(window.event) // IE { keynum =e.keyCode
} else if(e.which) // Netscape/Firefox/Opera { keynum =e.which
} keychar = String.fromCharCode(keynum) numcheck = /\d/ return numcheck.test(keychar) } </script> <form> <input type="text"onkeydown="return noNumbers(event)"
/> </form> </html>
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