How to set the width of an element's border with JavaScript?


To set the width of an element’s border in JavaScript, use the borderWidth property. Set the width using this property.

You can try to run the following code to learn how to set the width of an element’s border −

Example

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 border width</button>
      <script>
         function display() {
            document.getElementById("box").style.borderWidth = "thin";
         }
      </script>
      
   </body>
</html>

Sai Subramanyam
Sai Subramanyam

Passionate, Curious and Enthusiastic.

Updated on: 30-Jul-2019

944 Views

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