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

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

1// Run anonymous function after 5,000 milliseconds (5 seconds)
2setTimeout(() => {
3	// Run code
4}, 5000);

1console.log("Hello");
2setTimeout(() => {  console.log("World!"); }, 2000);

1setTimeout(() => console.log('running') , 1000)

1function fastFunction (done) {
2  setTimeout(function () {
3    done()
4  }, 100)
5}
6
7function slowFunction (done) {
8  setTimeout(function () {
9    done()
10  }, 300)
11}
12