JSFiddle - React, Tailwind, and code Playground

by John Schulz

JavaScript

function Primate() {
    this.thumbs = 'opposable';
}

function Human() {
    this.bipedal = true;
}

Human.prototype = new Primate;
var me = new Human;

console.log(me instanceof Human);   // true
console.log(me instanceof Primate); // true

console.log(me.constructor == Human);   // false
console.log(me.constructor == Primate); // true