The HTML DOM style width property returns and modify the width CSS property of an element in an HTML document.
Syntax
Following is the syntax −
Returning width
object.style.width
Modifying width
object.style.width = “value”
Example
Let us see an example of style width property −
<!DOCTYPE html>
<html>
<head>
<style>
body {
color: #000;
background: lightblue;
height: 100vh;
}
p {
border: 2px solid #fff;
margin: 1.5rem auto;
}
.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 width Property Example</h1>
<p>
This is paragraph 1 with some dummy text.
This is paragraph 1 with some dummy text.
This is paragraph 1 with some dummy text.
</p>
<button onclick="add()" class="btn">Change Width</button>
<script>
function add() {
document.querySelector('p').style.width = "50%";
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Change Width” button to change the width of the paragraph element −
