const obj = { foo: 1 };
obj.bar = 2;
const speed = 'quick'; `The ${speed} brown fox jumps over the lazy dog.`
(function() {
let f = this ? class g { } : class h { };
return [ typeof f, typeof h ];
})();
[...[...'...']].length
typeof (new (class F extends (String, Array) { })).substring
let a = 12, b = 3;
[a, b] = [b, a];
let point = [1,3], segment = [point,[5,5]], triangle = [...segment,[1,8]];
const [a, , b] = [1, 2, 3];
console.log(a, b);