Anjan Dutta

How to run a function when the page is loaded in JavaScript

We can use the onload attribute in body tag to run any javascript function when a page is loaded.

The working code is below.

The HTML

<html>
  <head>
    <title></title>
  </head>
  <body onload="onloadFunction()">
    Checkout my <a href="https://anjandutta.com">blog</a> for more tutorial. 
  </body>
</html>

The JavaScript

function onloadFunction() {
  alert("page loaded");
}