let getGiftAsync=()=>{
return new Promise((resolve,reject)=>{
setTimeout(()=>{
if(Math.random()<0.2){
let gift="小白妞";
resolve(gift);
}else{
let gift="小黑妞";
reject(gift)
}
},2000);
})
}
asynv function useAsynFunc(){
let gift = await getGiftAsync;
console.log(gift);
}
useAsynFunc();