Webform Contact/Phone Number Allowed only numbers not text with below jquery code

 

Using the below code, the text field can be changed to allow only the numbers, use can't enter text only numbers will be allowed.

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jQuery( document ).ready(function() {

  jQuery("#field-id-or-class").attr('onkeypress','return isNumberKey(event);');

});

function isNumberKey(evt)

{

  var charCode = (evt.which) ? evt.which : event.keyCode;

 console.log(charCode);

    if (charCode != 46 && charCode != 45 && charCode > 31

    && (charCode < 48 || charCode > 57))

     return false;

  return true;

}