es6 - destructuring - 7.js

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