JS事件循环题目求问大家
setTimeout(() => {
console.log(1)
}, 20)
console.log(2)
setTimeout(() => {
console.log(3)
}, 10)
console.log(4)
console.log('AA')
for (let i = 0; i < 9000000; i++) {
// do soming
}
console.timeEnd('AA')
console.log(5)
setTimeout(() => {
console.log(6)
}, 8)
console.log(7)
setTimeout(() => {
console.log(8)
}, 15)
console.log(9)
2 4 AA Timer 'AA' does not exist 5 7 9 undefined 3 1 6 8答案为什么不是
2 4 AA Timer 'AA' does not exist 5 7 9 undefined 6 3 8 1
