js after settimeout code example

Example 1: run js function after some sec

function myClick() {
  setTimeout(
    function() {
      document.getElementById('div1').style.display='none';
      document.getElementById('div2').style.display='none';
    }, 5000);
}

Example 2: js after settimeout

function doHomeWork(subject, callback){
    setTimeout(callback,500);
    console.log("doing my homework:", subject)
}

doHomeWork("Maths", function(){console.log("finished my homework");});