What Is Meant by Dom

The Document Object Model (DOM) is an application programming interface (API) for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.

How do you detect change in DOM?

1. MutationObserver can be used to detect changes in element, attribute, child nodes etc.
2. MutationObserver instance takes callback function.
3. MutationObserver callback function accepts inputs i.e. mutations and observer.

What is a DOM element?

Document object model. … It is an object that includes how the HTML/XHTML/XML is formatted, as well as the browser state. A DOM element is something like a DIV, HTML, BODY element on a page. You can add classes to all of these using CSS, or interact with them using JS.