JSFiddle - React, Tailwind, and code Playground

by Derek Howard

JavaScript

function Rectangle(width, height) {
    this.width = width || 1;
    this.height = height || 1;
}

Rectangle.prototype.area = function () {
    return this.width * this.height;
}

var bigRec = new Rectangle(42, 100);
alert(bigRec.area());