對(duì)比

es6

全寫(xiě)

let user = {
  username:'lake',
  login:function(){
    //exec login service
  }
}

方法簡(jiǎn)寫(xiě)

let user = {
  username:'lake',
  login(){
    //exec login service
  }
}

屬性引用簡(jiǎn)寫(xiě)

let username = 'lake';
let user = {
  username,
  login(){
    //exec login service
  }
}

對(duì)象合并

let user = {
  username:'lake',
  age:24
}

let admin = {
  ...user,
  type:'ADMIN'
}

合并后的對(duì)象

{
  username:'lake',
  age:24,
  type:'ADMIN'
}