js on page loaded

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  yourFunction(param1, param2);
3};

1function codeAddress() {
2            alert('ok');
3        }
4window.onload = codeAddress;