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How to set the width of the outline around an element with JavaScript?

To set the outline width, use the outlineWidth property. You can try to run the following code to set the width of the outline around an element with JavaScript −

Example

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         #box {
            width: 450px;
            background-color: orange;
            border: 3px solid red;
            margin-left: 20px;
         }
      </style>
   </head>
   <body>
      <p>Click below to add Outline Width.</p>
      <div id="box">
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
      </div>
      <br>
      <button type="button" onclick="display()">Set Outline Width</button>
      <br>
      <script>
         function display() {
            document.getElementById("box").style.outlineColor = "#5F5F5F";
            document.getElementById("box").style.outlineStyle = "solid";
            document.getElementById("box").style.outlineWidth = "7px";
         }
      </script>
   </body>
</html>
Swarali Sree
Swarali Sree

I love thought experiments.

Updated on 23-Jun-2020 13:36:14

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