setTimeout(function(){
console.log("Ready")
}, 1000);
setTimeout(() => {console.log('1 second finished!')}, 1000);
function sleep(num) {
let now = new Date();
const stop = now.getTime() + num;
while(true) {
now = new Date();
if(now.getTime() > stop) return;
}
}
sleep(1000)
console.log('delay 1 second');