function setInterval setInterval(cb: (...args: any[]) => void,delay?: number,...args: any[],): number Repeatedly calls a function , with a fixed time delay between each call. ```ts // Outputs 'hello' to the console every 500ms setInterval(() => { console.log('hello'); }, 500); ``` Parameters cb: (...args: any[]) => void optional delay: number ...args: any[] Return Type number