Answers for "https://www.w3schools.com call a function after each five minites"

javascript set delay

var delayInMilliseconds = 1000; //1 second

setTimeout(function() {
  //your code to be executed after 1 second
}, delayInMilliseconds);

javascript setinterval

setInterval(function(){ 
	console.log("print this once every 3 second");
}, 3000);//run this thang every 3 seconds