1setTimeout(function(){
2 	alert("Sup!"); 
3}, 2000);//wait 2 seconds

1
2 setTimeout(function(){ alert("Hello"); }, 3000);
3 

1setTimeout(function(){
2 	console.log("hello");
3}, 3000); //wait for atleast  3 seconds before console logging

1console.log('hello');
2setTimeout(() => {
3  console.log('async message that appears on the screen in 1 second')
4}, 1000);
5console.log('world');
6
7// hello
8// world
9// async message that appears on the screen in 1 second

1window.setTimeout(()=>{
2  console.log('1 second passed!');
3}, 1000);

1// Redirect to index page after 5 sec
2setTimeout(function(){ window.location="index"; },5000);