Example of array destructering

new.js

var myarray = ["Ext JS", "GXT", "Sencha Test"];
var [myvar1, myvar2, myvar3] = myarray;

console.log(myvar1) //Ext JS
console.log(myvar2) //GXT
console.log(myvar3) //Sencha Test

old.js

var myarray = ["Ext JS", "GXT", "Sencha Test"];

var myvar1 = myarray[0];
var myvar2 = myarray[1];
var myvar3 = myarray[2];

console.log(myvar1) //Ext JS
console.log(myvar2) //GXT
console.log(myvar3) //Sencha Test