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Problem set

2022-07-25 23:37:00 【Small_ xiuxiu】

1、Promise

const fn = () => (new Promise((resolve, reject) => {
    
  console.log(1);
  resolve('success')
}))
fn().then(res => {
    
  console.log(res)
})
console.log('start')

const fn = () =>
  new Promise((resolve, reject) => {
    
    console.log(1);
    resolve("success");
  });
console.log("start");
fn().then(res => {
    
  console.log(res);
});