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How to set all the border top properties in one declaration with JavaScript?

To set all the border top properties in a single declaration, use the borderTop property. With this property, you can set the border-top-width, border-top-style, and border-top-color property.

Example

You can try to run the following code to learn how to work with border-top properties in JavaScript −

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         #box {
            border: thick solid gray;
            width: 300px;
            height: 200px
         }
      </style>
   </head>
   <body>
      <div id="box">Demo Text</div>
      <br><br>
      <button type="button" onclick="display()">Change top border</button>
      <script>
         function display() {
            document.getElementById("box").style.borderTop = "thick solid #000000";
         }
      </script>
   </body>
</html>
Monica Mona
Monica Mona

Student of life, and a lifelong learner

Updated on 23-Jun-2020 11:38:38

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