The DOM style outline property returns and modify the outline of an element in an HTML document.
Syntax
Following is the syntax −
1. Returning outline
object.style.outline
Modifying outline
object.style.outline = “width style color”
Example
Let us see an example of HTML DOM style outline property −
<!DOCTYPE html>
<html>
<head>
<style>
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;
}
</style>
</head>
<body>
<h1>DOM Style outline Property Example</h1>
<p></p>
<button onclick="add()" class="btn">Add outline</button>
<script>
function add() {
document.querySelector('p').style.outline = "2px solid #000";
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Add outline” button to add outline to green box.
