e004-执行打印004

const p = function () {
  return new Promise((resolve, reject) => {
        const p1 = new Promise((resolve, reject) => {
              setTimeout(() => {
                resolve(1)
              },0)
              resolve(2)
        })
        p1.then((res) => {
            console.log(res)
        })
        console.log(3)
        resolve(4)
    })
}

p().then((res) => {
    console.log(res);
})
console.log(5)