setInterval

function setInterval(
   callback, 
   delay?, ...
   args?): number;

Set a repeated timer that calls a function, with a fixed time delay between each call.

Parameters

Parameter	Type	Description
callback	(...args) => void	A function to be executed every delay milliseconds.
delay?	number	(Optional) The milliseconds that the timer should delay in between execution of the function, by default is 1.
...args?	any[]	(Optional) Additional arguments which are passed through to the function.

Returns

number

The ID (integer) which identifies the timer created.

Throws

Throws TypeError if callback is not a function, or delay is neither a number or undefined.