ES6 Grundlagen

const speed = 'quick'; `The ${speed} brown fox jumps over the lazy dog.`

function mystery(...params) {

  return params; 

}

let a = mystery(1,23,4);

(function() {

 let f = this ? class g { } : class h { };

 return [ typeof f, typeof h ];

 })();

typeof (new (class F extends (String, Array) { })).substring

(function() { 

if (false) {

 let f = { g() => 1 };

 }

 return typeof f;

 })()

typeof (function* f() { yield f })().next().next()

let a = 12, b = 3;

[a, b] = [b, a];