hard_invoke.js

async function async1() {
  console.log('async1 start')
  new Promise((resolve, reject) => {
    try {
      throw new Error('error1')
    } catch (e) {
      console.log(e)
    }
    setTimeout(() => {
      resolve('promise4')
    }, 3 * 1000)
  })
    .then(
      (res) => {
        console.log(res)
      },
      (err) => {
        console.log(err)
      },
    )
    .finally((res) => {
      console.log(res)
    })
  console.log(await async2())
  console.log('async1 end')
}

function async2() {
  console.log('async2')
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve(2)
    }, 1 * 3000)
  })
}

console.log('script start')

setTimeout(() => {
  console.log('setTimeout')
}, 0)

async1()

new Promise((resolve) => {
  console.log('promise1')
  resolve()
})
  .then(() => {
    console.log('promise2')
    return new Promise((resolve) => {
      resolve()
    }).then(() => {
      console.log('then 1-1')
    })
  })
  .then(() => {
    console.log('promise3')
  })

console.log('script end')