虾皮IM #

foo()
var foo = function(){}

var n = 1;

(function foo(){
     n =2
    console.log(n)
}())

console.log(n)

function _instanceof(L,R){
  let Ro = R.prototype
  L = Object.getPrototypeOf(L)
  while(L){
    if(L === Ro) return true
    L = Object.getPrototypeOf(L)
  }
    return false
}

function foo(){
  return Promise.resolve().then(foo)
}
foo()

setTimeout(()=>{
  console.log('8')
},0)
Promise.resolve().then(()=>{
  console.log('7')
})

function fn1(){
  return new Promise(resolve=>{
    console.log('5')
    resolve()
    console.log('6')
  })
}

async function fn2(){
  console.log('1')
  await fn1()
  console.log('2')
}
fn2()

console.log('3')