JavaScript (based on react)

Source: Internet
Author: User

Variable Declaration

Const and let: representing constants and variables, respectively

Template String

Const User = ' World';

Console. log (' Hello ${user}'); //Hello World

Default parameters

function Span class= "Pl-en" >logactivity ( Span class= "Pl-smi" >activity Span class= "pl-k" >= " Skiing "{

  Console. log (activity);


logactivity (); //Skiing

Arrow functions

[1, 2, 3]. Map (x = x + 1); //[2, 3, 4]

Import and Export of modules
Introduction of all     ' dva';
Introduction of some     ' dva'; 
Introduce all and act as icon object as   icons'./icon';  
Export the default   App;
Partial export, requires import {App} from './file '; Introducing   App extend Component {};

JavaScript (based on react)

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