js action every second code example

Example 1: js do every x seconds

window.setInterval(function() {
  // do stuff
}, 1000); // 1000 milliseconds (1 second)

Example 2: javascript function that console ogs after 3 seconds

// example1.js
setTimeout(
  () => {
    console.log('Hello after 4 seconds');
  },
  4 * 1000
);