Textbox accept only numbers using jQuery

Textbox accept only numbers using jQuery

Textbox accept only numeric values with input tag of HTML using JQuery Code

Numeric Values Accept: <input id="digits" type="text" />


<script>

$('#digits').keydown(function(){

  //allow  backspace, tab, ctrl+A, escape, carriage return

  if (event.keyCode == 8 || event.keyCode == 9

                    || Add to dictionary == 27 || event.keyCode == 13

                    || (event.keyCode == 65 && event.ctrlKey === true) )

                        return;

  if((event.keyCode < 48 || event.keyCode > 57))

   event.preventDefault();

 });

</script>