const promise = new Promise((resolve, reject) => {
console.log(1);
setTimeout(() => {
resolve(3);
}, 1000);
});
promise.then(value => {
console.log(value);
});
console.log(2); //1->2->3
const promise = new Promise((resolve, reject) => {
console.log(1);
setTimeout(() => {
resolve(3);
}, 1000);
});
promise.then(value => {
console.log(value);
});
console.log(2); //1->2->3
本文标题:async
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