accept only numbers in textbox
<input type="text" onkeypress="return isNumberKey(event)" placeholder="Phone Number"> //this will accept only numbers from 0 to 9 <script> function isNumberKey(evt) { var charCode = (evt.which) ? evt.which : event.keyCode if (charCode > 31 && (charCode < 48 || charCode > 57)) return false; return true; } </script>