HTML DOM Style outline Property

HTMLWeb DevelopmentFront End Technology

The DOM style outline property returns and modify the outline of an element in an HTML document.


Following is the syntax −

  • 1. Returning outline
  • Modifying outline = “width style color”


Let us see an example of HTML DOM style outline property −

 Live Demo

<!DOCTYPE html>
   body {
      color: #000;
      background: lightblue;
      height: 100vh;
   p {
      background-color: seagreen;
      height: 200px;
      width: 200px;
   .btn {
      background: #db133a;
      border: none;
      height: 2rem;
      border-radius: 2px;
      width: 40%;
      display: block;
      color: #fff;
      outline: none;
      cursor: pointer;
<h1>DOM Style outline Property Example</h1>
<button onclick="add()" class="btn">Add outline</button>
   function add() {
      document.querySelector('p').style.outline = "2px solid #000";


This will produce the following output −

Click on “Add outline” button to add outline to green box.

Updated on 01-Jul-2020 11:40:52