JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<input type="input" id="edit1" value="0" size="5" maxlength="5" />

JavaScript

$(document).ready(function(){
    $('[id^=edit]').keypress(validateNumber);
});

function validateNumber(event) {
    var key = window.event ? event.keyCode : event.which;
    if (event.keyCode === 8 || event.keyCode === 46) {
        return true;
    } else if ( key < 48 || key > 57 ) {
        return false;
    } else {
    	return true;
    }
};