Nodes

The DOM (Document Object Model) is a programming interface for web documents. It represents the structure of a document (usually an HTML or XML file) as a tree of nodes, where each node corresponds to a part of the document.

In the Document Object Model (DOM), a Node is the primary building block of the document structure. Every item in the DOM tree—whether it's an element, text, comment, or document itself—is a type of node. Nodes define the hierarchical structure of a document, allowing developers to navigate and manipulate the document programmatically.