JS- onclick()

<!DOCTYPE html>
<html>

  <body>
  
    <p>Click the button to trigger a function that will output "Hello World" in a p element with id="demo".</p>
  
    <button onclick="myFunction()">Click me</button>
  
    <p id="demo"></p>
  
    <script>
      function myFunction() {
        document.getElementById("demo").innerHTML = "Hello World";
      }
    </script>

  </body>

</html>

// Code goes here

/* Styles go here */