on document load javascript code example

Example 1: JavaScript that executes after page load

//two ways of executing JS code after page is loaded, use "DOMContentLoaded" when able

document.addEventListener("DOMContentLoaded", function(){
    //dom is fully loaded, but maybe waiting on images & css files
});

window.addEventListener("load", function(){
    //everything is fully loaded, don't use me if you can use DOMContentLoaded
});

Example 2: dom ready js

document.addEventListener("DOMContentLoaded", function() {
  // code
});

Example 3: javascript document load

window.addEventListener("load", function(event) {
    console.log("Tutte le risorse hanno terminato il caricamento!");
});

Example 4: window.onload execute after load page

/* javascript function is executed after 5 seconds page was loaded */
window.onload = function() {
   setTimeout(loadAfterTime, 5000)
}; 
 
function loadAfterTime(){
   document.getElementById("menu").style.display="block";
}

Example 5: document on load

$(window).on('load', function() {
    console.log('All assets are loaded')
})

Example 6: on load javascript

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