JavaScript Change the Top Border of Div
To change the top border of a div using JavaScript, get reference to the element, and assign required value to the element.style.borderTop
property.
Example
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> </head> <body> <h2>Change Top Border of Div in JavaScript</h2> <div id="myDiv"> <p>This is a paragraph in Div.</p> <span>This is a span in Div.</span> </div> <br> <button type="button" onclick="changeStyle()">Click Me</button> <script> function changeStyle(){ var element = document.getElementById("myDiv"); element.style.borderTop = "1px solid red"; } </script> </body> </html>
Conclusion
In this JavaScript Tutorial, we learned how to change the top border of a div using JavaScript.