Promise demo
2019-05-27 本文已影响0人
卡卡_4795
function resolveAfter2Seconds() {
return new Promise((resolve,reject) => {
setTimeout(() => {
reject('rejected');
}, 2000);
}).catch(err=>{
console.log('err %o',err)
}).finally(function() { console.log("this is finally") });
}
async function asyncCall() {
console.log('calling');
var result = await resolveAfter2Seconds();
console.log(result);
// expected output: 'resolved'
}
asyncCall();
