手写红绿灯
约 43 字小于 1 分钟
2025-09-08
const sleep = (delay) => {
return new Promise((resolve) => {
setTimeout(resolve, delay)
})
}
const checkout = async (delay, color) => {
console.log(color)
await sleep(delay)
}
async function main() {
while(true) {
await checkout('green', 2000)
}
}