Allow Numbers/Digits in textbox in javascript
Allow Numbers/Digits in textbox in javascript
<HTML>
<HEAD>
<SCRIPT language=Javascript>
<!–
function isNumberKey(evt)
{
var unicode=e.charCode? e.charCode : e.keyCode
if (unicode!=8){
if (unicode<48||unicode>57)
return false;}
return true;
}
//–>
</SCRIPT>
</HEAD>
<BODY>
<INPUT id=”txtChar” onkeypress=”return isNumberKey(event)” type=”text” name=”txtChar”>
</BODY>
</HTML>
Here this above coding shows to use Javascript to allow only numbers to be entered in a textbox. This is useful for phone numbers, IDs, ZipCodes.
This solution works in both IE and Netscape/Mozilla.
