execute js function on page load 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: on load javascript

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

Example 3: javascript execute code on page load

<html>
 
  <body onload="loaded();"></body>
  <script>
    function loaded() {
      alert('Page is loaded');
    }
 
  </script>
 
</html>

Tags:

Html Example

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