How to Only Allow Numbers in a Text Box using jQuery.

This post shows how to only allow a number in a textbox using jQuery.

Introduction

 

This tutorial explains how to only allow a number in textbox using jQuery.  If you simply add the 'numberonly' class to the text control, then it will only allow numbers.

 

Code 

$(document).ready(function () {

            $('.numberonly').keypress(function (e) {

                var charCode = (e.which) ? e.which : event.keyCode

                if (String.fromCharCode(charCode).match(/[^0-9]/g))

                    return false;

            });

        });