ilearnjavascript/es6 - destructuring - 7.js Secret

## es6 - destructuring - 7.js
var es6_destructuring6 = function() {
    var firstname = 'John';
    var lastname = 'Doe';
    [firstname, lastname] = [lastname, firstname];
    console.log(firstname);
    console.log(lastname);
}
es6_destructuring6();
// outputs:
// Doe
// John
	var es6_destructuring6 = function() {
	var firstname = 'John';
	var lastname = 'Doe';
	[firstname, lastname] = [lastname, firstname];
	console.log(firstname);
	console.log(lastname);
	}
	es6_destructuring6();
	// outputs:
	// Doe
	// John