Add event listener in javascript [Example].

Javascript addEventListener() is a built in function which is used to add event listener to any HTML object like HTML document, window, object etc.

Basic syntax of Event Listener

Example

  <!DOCTYPE html>
  <html>
  
  <body>
    <button id="clickMe">Click Me</button>
    <h1 id="content"></h1>
    <script>
        document.getElementById("clickMe").addEventListener("click", 
        ()=>{
                document.getElementById("content").innerText = "You Clicked Button";
            });
    </script>
  </body>
  
  </html> 