JSFiddle - React, Tailwind, and code Playground

by KyleMuir

JavaScript

var Adder = function () {
    var count = 0;
    this.add = function (itemToAdd) {
        count+=itemToAdd;
    }
    this.whatsMyCount = function () {
        console.log('my count is ' + count); //alert('my count is' + count) if you cant 
                                            //figure out the console, use alert instead.
    }
};

var calcInstance = new Adder();
calcInstance.add(12);
calcInstance.whatsMyCount(); //logs 12