2021-11-01 11:35:48 +08:00

16 lines
249 B
JavaScript

// 下面代码的输出结果是什么
new Promise((resolve, reject) => {
resolve();
})
.then((res) => {
console.log(res.toString());
return 2;
})
.catch((err) => {
return 3;
})
.then((res) => {
console.log(res);
});