Javascript setInterval() method

setInterval() method is used to repeat the execution of your code block at specified intervals.
setInterval(callback, milisecond);
basically two parameters need to run this function.


var number=1;
function incrementNumber(number){
	
	console.log(number)
}

setInterval(()=>{
	incrementNumber(number++);
},1000)

Output:- 1
2
3

Note:-It will run continuously while you close this.

Javascript setInterval() method – Interview Questions

Q 1: What is setInterval()?

Ans: Executes function repeatedly.

Q 2: Time unit?

Ans: Milliseconds.

Q 3: How to stop it?

Ans: clearInterval().

Q 4: Is it asynchronous?

Ans: Yes.

Q 5: Use case?

Ans: Timers and clocks.