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

17 lines
334 B
JavaScript

const promise1 = new Promise((resolve, reject) => {
setTimeout(() => {
reject();
}, 1000);
});
const promise2 = promise1.catch(() => {
return 2;
});
console.log('promise1', promise1);
console.log('promise2', promise2);
setTimeout(() => {
console.log('promise1', promise1);
console.log('promise2', promise2);
}, 2000);