async、await

aync function async1 () {
await new Promise((resolve, reject) => {
resolve()
})
console.log('A')
}
async1()
new Promise((resolve) => {
console.log('B')
resolve()
}).then(() => {
console.log('C')
}).then(() => {
console.log('D')
})
// 最终结果👉: B A C Dsync function async1 () {
await new Promise((resolve, reject) => {
resolve()
})
console.log('A')
}
async1()
new Promise((resolve) => {
console.log('B')
resolve()