共计 621 个字符,预计需要花费 2 分钟才能阅读完成。
btn.addEventListener("click", event => {setTimeout(() => {console.log("S1")}, 0)
Promise.resolve().then(() => console.log("M1"))
console.log("L1")
})
btn.addEventListener("click", event => {setTimeout(() => {console.log("S2")}, 0)
Promise.resolve().then(() => console.log("M2"))
console.log("L2")
})
点击 btn
输出:L1、M1、L2、M2、S1、S2
大家都很聪明,应该都理解!
btn.addEventListener("click", event => {setTimeout(() => {console.log("S1")}, 0)
Promise.resolve().then(() => console.log("M1"))
console.log("L1")
})
btn.addEventListener("click", event => {setTimeout(() => {console.log("S2")}, 0)
Promise.resolve().then(() => console.log("M2"))
console.log("L2")
})
btn.click()
输出:L1、L2、M1、M2、S1、S2
正文完
发表至: javascript
2020-05-28