Answers for "js run after a few seconds"

javascript run something after x seconds

setTimeout(function(){
  location.reload();
}, 3000); //run this after 3 seconds

execute after one second javascript

setTimeout(function () {
  console.log('Hello world')
}, 1000)

setTimeout(() => {
  console.log('Foo bar')
}, 1000)

call function after 2 seconds javascript

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