ES6 - Les bases

function mystery(...params) {

  return params; 

}

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

let name = 'Harry';

let occupation = 'wizard';

console.log(`Hi! My name is ${name}. I'm a ${occupation}.`);

let x, { x: y = 1 } = { x }; y;

(function() {

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

 return [ typeof f, typeof h ];

 })();

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

let some_text = "some string"; 

if(some_text.indexOf('str') !=-1){

 return true;

 }

let titleElements = document.querySelectorAll('.article .title'); let titles = Array.from(titleElements).map( t => t.textContent ); console.log(titles);

class Slave { // ... };

 const slave = Slave();