2024-08-27 09:23:22 +08:00

14 lines
226 B
JavaScript

const pro1 = new Promise((resolve, reject) => {
console.log('学习');
resolve();
});
const pro2 = pro1.then(() => {
return new Promise((resolve, reject) => {});
});
setTimeout(() => {
console.log(pro2);
}, 1000);