add event listener onload code example

Example 1: window.onload

window.onload = function() {
  // Some code
};

Example 2: document.addEventListener("load", function () {

window.addEventListener('load', (event) => {
  console.log('page is fully loaded');
});

window.onload = (event) => {
  console.log('page is fully loaded');
};

Example 3: document load javascript

window.onload = function() {
  // Code here
}