Arrow operator =>;
Support for class class (constructor);
Indefinite parameters ... x; let and const keywords;
for of traversal
Module support import;
The processing mode of the promise asynchronous function (pending waiting; resolve returns success, reject returns failure);
Template literals (1 button on the left), used to be connected in series with +
Destructuring assignment
In ES6, you can use destructuring to extract values from arrays and objects and assign them to unique variables
const point = [10, 25, -34];
const [x, y, z] = point;
console.log(x, y, z);
The spread operator
(represented by three consecutive dots (...)) is a new concept in ES6 that enables you to expand a literal object into multiple elements
