To return the number of images in a document, use the images property in JavaScript.
Example
You can try to run the following code to get the count of images −
<!DOCTYPE html>
<html>
<body>
<img src="https://www.tutorialspoint.com/html5/images/html5-mini-logo.jpg">
<img src="https://www.tutorialspoint.com/hive/images/hive-mini-logo.jpg">
<img src="https://www.tutorialspoint.com/sas/images/sas-mini-logo.jpg">
<img src="https://www.tutorialspoint.com/maven/images/maven-mini-logo.jpg">
<script>
var val = document.images.length;
document.write("<br>Number of images in the document: "+val);
</script>
</body>
</html>