代码如下
async function delay(time) {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve();
}, time);
});
}
// 示例：延迟1秒 输出
(async () => {
await delay(1000);
console.log("hello!");
})();
可以使用npm的开源库：https://www.npmjs.com/package/delay
