1//two ways of executing JS code after page is loaded, use "DOMContentLoaded" when able
2
3document.addEventListener("DOMContentLoaded", function(){
4    //dom is fully loaded, but maybe waiting on images & css files
5});
6
7window.addEventListener("load", function(){
8    //everything is fully loaded, don't use me if you can use DOMContentLoaded
9});

1window.onload = function() {
2  // Some code
3};
4

1window.onload = function() {
2  // Code here
3}

1import domloaded from 'domloaded';
2domloaded(() => { /* dom is loaded... */ });