how to run timer in javascript code example

Example 1: setinterval javascript

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

Example 2: javascript set timeout

var timeToWait = 3000; // 1000 = 1 second
setTimeout(() => {
	console.log("Text printed after 3 seconds");
}, timeToWait);