Prevent entering other than numbers

by Dhruvang Gajjar

JavaScript

$('input[type=number]').on('keypress', function(e){
      return e.metaKey || // cmd/ctrl
        e.which <= 0 || // arrow keys
        e.which == 8 || // delete key
        /[0-9]/.test(String.fromCharCode(e.which)); // numbers
    })
    
     $("input[type=number]").on("keypress", function(evt){
         if (evt.which < 48 || evt.which > 57){
             evt.preventDefault();
         }    
     });