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

1setInterval(function(){ 
2	console.log("Oooo Yeaaa!");
3}, 2000);//run this thang every 2 seconds

1setTimeout(() => { alert('Hello') }, 1000)

1function func(){
2  console.log("Ran")
3}
4setInterval(func,1000)//Runs the "func" function every second

1setInterval(function() {
2  //Your code
3}, 1000); //Every 1000ms = 1sec

1setInterval(function(){
2  console.log("Hello");
3  console.log("World");
4}, 2000); //repeat every 2s