How to allow only numeric (0-9) in HTML inputbox using javascript?

9 years ago
by Vetrivel Samidurai
891 Views
1 min read

HTML CODE


<input type="text" name="mobile"  onkeypress="return isNumber(event)" />

JAVASCRIPT CODE


function isNumber(evt) {
 evt = (evt) ? evt : window.event;
 var charCode = (evt.which) ? evt.which : evt.keyCode;
 if (charCode > 31 && (charCode < 48 || charCode > 57)) {
 return false;
 }
 return true;
}

DEMO 

Check this link http://jsfiddle.net/vetri/vsmju7xt/

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