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Execute a script when a mouse pointer moves over an element in HTML?

The onmouseover attribute triggers when a mouse pointer moves over an element in HTML.

Example

You can try to run the following code to implement onmouseover attribute −

<!DOCTYPE html>
<html>
   <body>
      <h3 id = "myid" onmouseover = "display()">
         This is demo heading.
      </h3>
      <p>Keep the mouse cursor on the heading to change the color.</p>
      <script>
         function display() {
            document.getElementById("myid").style.color = "red";
         }
      </script>
   </body>
</html>