DestructuringAssignment.js

var obj = function fn1() {
  return { x: 'val1', y: 12, z: 'val2' };
};
//ES5
var resES5 = obj();
var x = resES5.x;
var y = resES5.y;
var z = resES5.z;
console.log(x, y, z);
//output
//val1 12 val2

//ES6
var { x, y, z } = obj();
console.log(x, y, z);
//output
//val1 12 val2