How to set the script to be executed asynchronously in HTML?

Use the async attribute to set the script to execute asynchronously as and when it is available. It only uses the external script.

Firstly, add a js file. Let us give it a name, new.js,

function sayHello() {
   alert("Hello World")

Let’s add the HTML code now and execute the above script −

      <script src = "new.js" ></script>
      <p>This is demo text.</p>

Updated on: 02-Mar-2020


Kickstart Your Career

Get certified by completing the course

Get Started