More Efficient Rollover



Write a javascript code to perform more efficient rollover operation.


<html>
  <body>

      <p> More Efficient Mouseover by using addEventListener. </p>

      <h1> <p id="para">Change Style by Mouse Over </p> </h1>

      <script>

         document.getElementById("para").addEventListener("mouseover", mouseOver);
         document.getElementById("para").addEventListener("mouseout", mouseOut);

         function mouseOver()
         {
             document.getElementById("para").style.color = "blue";
         }
     
         function mouseOut()
         {
             document.getElementById("para").style.color ="black";
         }  

    </script>
  </body>
</html>

Output: