setTimeout in a function javascript code example

Example 1: javascript settimeout

setTimeout(function(){
 	console.log("hello");
}, 3000); //wait for atleast  3 seconds before console logging

Example 2: run js function after some sec

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