The Document Object Model (DOM) is a cross-platform^[2] and language-independentAPI that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects. DOM methods allow programmatic access to the tree; with them one can change the structure, style or content of a document.^[2] Nodes can have event handlers (also known…