记录一下Promise与其语法糖async、await的区别
// 例子1async function myAsyncFn() { return 'some values'}// 等价于function myAsyncFn() { return Promise.resolve('some values')}// 例子2async function myAsyncFn() { await 'something'}// 等价于function myAsyncFn() { return Promise.resolve('something').then(() => undefined)}