设计一个函数等待三秒/指定时间后后再继续执行
function wait(time = 3000) {
return new Promise((resolve) => {
setTimeout(() => {
resolve(true) // ready
}, time)
})
}
async function fun() {
console.time('isReady');
await wait();
console.timeEnd('isReady');
/** other operations... */
}
fun();