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Description
来源:经典面试题
难度:★
编写一个方法,每隔 1s 依次在控制台打印出 5, 4, 3, 2, 1
参考答案:
请参考 @liwenkang 的答案,很全面。
@Wxh16144 的答案也不错,代码很优雅。
async function display() {
for (let i = 5; i > 0; i--) {
let num = await new Promise(resolve => {
setTimeout(() => {
resolve(i)
}, 1e3)
});
console.log(num)
}
}
display();本期优秀回答者: @liwenkang
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