javascript wait 1 second

1import time
2 
3# Wait for 5 seconds
4time.sleep(5)
5 
6# Wait for 300 milliseconds
7# .3 can also be used
8time.sleep(.300)
9

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

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

1  setTimeout(function(){ 
2    console.log("Ready")
3}, 1000);

1setTimeout(() => {console.log('1 second finished!')}, 1000);

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