Revision: 62115
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at February 2, 2013 02:49 by jprochazka
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<html> <head> <script type="text/javascript"> function checkIt(evt) { evt = (evt) ? evt : window.event var charCode = (evt.which) ? evt.which : evt.keyCode if (charCode > 31 && (charCode < 48 || charCode > 57)) { document.getElementById("errorMessage").innerHTML = "This field accepts numbers only." return false } document.getElementById("errorMessage").innerHTML = "" return true } </script> </head> <body> <input id="numbersOnly" type="text" onKeyPress="return checkIt(event)" /> <span id="errorMessage"></span> </body> </html>
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The following code allows only numeric characters to be entered.
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Allow only numberic key presses.
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validation
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JavaScript