introduce

block scope-let

constant-const

Destructuring array-Array Destructuring

Destructuring objects-Object Destructuring

Template Strings-Template Strings

Tagged template string-Tagged Templates

Determine whether a string contains other strings

Default Parameter Values

Spread operator-Spread

Rest operator-Rest

Destructured Parameters - Destructured Parameters

The name of the function-name attribute

Arrow Function-Arrow Functions

object expression

Object attribute name

Compare two values ​​for equality-Object.is()

Copy the value of an object to another object - Object.assign()

Set the object's prototype - Object.setPrototypeOf()

__proto__

super

Iterators - Iterators

Generators

Class - class

get and set

static method-staitc

Inherit-extends

Set

Map

Module

Rename exported and imported things

Export and import default