Numbers Only

Overview

Javascript event handler to only allow numbers and a few special characters.

Works with text and number input types.

Allows the following characters:

• tab
• del
• left-arrow
• right-arrow
• 0 - 9 using standard keyboard
• 0 - 9 using a numberpad

Installation

Using npm

npm install numbers-only

Using yarn

yarn add numbers-only

Usage

It works best when you use numbersOnly as the event handler for keydown events.

import numbersOnly from 'numbers-only';


<input type="text" name="some-numeric-field" onkeydown="numbersOnly" />