To set the positioning area of the background image in JavaScript, use the backgroundOrigin property.
Example
You can try to run the following code to learn how to set the positioning area of the image for the background −
<!DOCTYPE html>
<html>
<head>
<style>
#box {
border: 2px dashed yellow;
padding: 35px;
width: 600px;
height: 400px;
background: url('https://www.tutorialspoint.com/videotutorials/images/coding_ground_home.jpg') no-repeat;
}
</style>
</head>
<body>
<button onclick="display()">Set area of background image</button>
<div id="box">
This is Demo Text! This is Demo Text! This is Demo Text!
This is Demo Text! This is Demo Text!
</div>
<script>
function display() {
document.getElementById("box").style.backgroundOrigin = "content-box";
}
</script>
</body>
</html>