run function on load page javascript code example

Example 1: on load javascript

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

Example 2: on load javascript

window.addEventListener('load', (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>

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Html Example

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