JSFiddle - React, Tailwind, and code Playground

by chiragvidani

HTML

<input type="text" id="txtNumber" />
<input type="button" id="btnShow" value="Show" />

JavaScript

jQuery.extend({
    toNumber: function () {
        var value = jQuery.trim(this);
        if (value == '' || isNaN(value)) return 0;
        else return parseFloat(this.val(), 10);
    }
});

$(document).ready(function () {
    $('#btnShow').click(function () {
        alert($('#txtNumber').val().toNumber());
    });
});