JSFiddle - React, Tailwind, and code Playground

by Akkuma

JavaScript

var obj1 = { a: 1 }
,   obj2 = obj1
,   obj3 = obj2;

obj3.original = obj1;
obj2.a = 5;
obj3.original.a = 'original';

alert(obj2.a);

function User(name) {
    this.name = name;   
}

var a = new User('a')
,   b = a
,   c = b;

c.original = a;
b.name = 'b';

c.original.name = 'original';
alert(b.name);