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Elegant Scroll to Top - Back to top JavaScript plugin example – Scroll: scroll to an element by ID

You can check out the code below to set the parameters.
Scroll: scroll to an element by ID
Example code
<link rel="stylesheet" href="http://your-domain.com/elegant-scroll-to-top/css/elegant-scroll-to-top.min.css">
<script src="http://your-domain.com/elegant-scroll-to-top/js/elegant-scroll-to-top.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    var elegantScrollToTop = new ElegantScrollToTop({        
        id: 'whats-this'
    });
    elegantScrollToTop.init();
});
</script>
Related options
Peoprty Possible Values Default Value Description
id e.g. null, 'your-custom-id-1', 'your-custom-id-1', etc. null The id attribute of the element you want to scroll to. If the value is null, the browser scrolls to top of the page. In this case, you do not need to change this parameter. Most users leave this setting by default.