promise、 async await

 let promisetest =new Promise(function(resolve,reject){
            console.log('promise')
            resolve("yaya")
        })
        promisetest.then(function(value){
            console.log(value)
            console.log("resolvee")
        })
        console.log(promisetest)
        console.log("hi")

 

   async function asynctest() {
            console.log("fight")

        }

        let test = asynctest()
        console.log(test)