How to Change Background Image in javaScript?

Last Updated : 30 Apr, 2024

This article will show you how to change the background color in JavaScript. Changing a background image in JavaScript involves modifying the style property of an HTML element to update its backgroundImage property. This can be done by selecting the element and setting its style.backgroundImage property to the new image URL.

Table of Content

Directly Changing the style Property
Using CSS Classes

Approach 1: Directly Changing the style Property

You can directly change the style property of an HTML element to update its background image. This approach does not require any additional functions.

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        How to Change Background
        Image in JavaScript?
    </title>

    <style>
        body {
            text-align: center;
        }
        #GFG {
            width: 550px;
            height: 200px;
            margin: auto;
            background-image: url(
'https://www.geeksforgeeks.org/wp-content/uploads/javascript.png');
            background-size: contain;
        }
    </style>
</head>

<body>
    <h1 id="GFG">
        Welcome to GeeksforGeeks
    </h1>
    <br>

    <button onclick="changeBackgroundImage()">
        Change Background Image
    </button>

    <script>
        function changeBackgroundImage() {
            let headingID = document.getElementById("GFG");
            headingID.style.backgroundImage = 
"url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/20210203170945/HTML-Tutorials.png')";
        }
    </script>
</body>

</html>

Output:

change-background-image

Approach 2: Using CSS Classes

Alternatively, you can define different CSS classes with different background images and then apply these classes to the element using JavaScript.

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        How to Change Background
        Image in JavaScript?
    </title>

    <style>
        body {
            text-align: center;
        }

        #GFG {
            width: 550px;
            height: 200px;
            margin: auto;
            background-size: contain;
        }

        .image {    
            background-image: url(
'https://www.geeksforgeeks.org/wp-content/uploads/javascript.png');
        }

        .new-background {
            background-image: url(
'https://media.geeksforgeeks.org/wp-content/cdn-uploads/20210203170945/HTML-Tutorials.png');
        }
    </style>
</head>

<body>
    <h1 id="GFG" class="image">
        Welcome to GeeksforGeeks
    </h1>
    <br>

    <button onclick="changeBackgroundImage()">
        Change Background Image
    </button>

    <script>
        function changeBackgroundImage() {
            let headingID = document.getElementById("GFG");
            headingID.classList.remove("image");
            headingID.classList.add("new-background");
        }
    </script>
</body>

</html>

Output:

change-background-image

In this example, clicking the "Change Background Image" button will remove the initial-background class and add the new-background class to the GFG element, changing its background image.

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Article Tags :

How to Change Background Image in javaScript?

Approach 1: Directly Changing the style Property

Approach 2: Using CSS Classes

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