DOM in JavaScript:
DOM stands for Document Object Model. It is an Application Programming Interface that facilitates the logical layout of content and allows us to create or modify a document. In simple words, one can create/modify/delete contents using DOM. In the HTML document, DOM views it as a tree of different nodes, where each node is one particular HTML element. Note: DOM is not a programming language. It is a way to access or modify data. How does DOM work? When a browser reads the HTML document, it creates a representational tree with the nodes along with ways/methods to access different nodes in the tree. Example of the representational tree: There are majorly four elements in DOM: Documents, elements, text, attributes. DOM provides functions in order to access various DOM elements in the tree. Some commonly used ones are: getElementById(): Access the first element with the specified id. getElementByName(): Accesses all the elements with the specified name getElementByTagName():Acc...