To set the background in JavaScript, use the background property. It allows you to set the background color, image, position, etc.
Example
You can try to run the following code to learn how to set all the background properties in a single declaration with JavaScript.
<!DOCTYPE html> <html> <body> <button onclick="display()">Click to Set background</button> <script> function display() { document.body.style.background = "url('https://www.tutorialspoint.com/html5/images/html5-mini-logo.jpg') repeat right top"; } </script> </body> </html>