Just grab the element by its id using getElementById and then just use .src to get image src JavaScript. Image source can URL format.
var imgsrc = document.getElementById("imageId").src;
Example: How to JavaScript get image source
Here is an HTML example code for getting an src of the image in JS. We are using variables to store source value.
<!DOCTYPE html>
<html>
<body>
<img src="https://tutorial.eyehunts.com//wp-content/uploads/2021/01/JavaScript-get-element-by-tag-Method.png" id="image" />
<script>
var imgsrc = document.getElementById("image").getAttribute('src');
console.log(imgsrc)
</script>
</body>
</html>
Output:
Let us know if you know any other way or have a better example. You can do also comment with any suggestions.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version