DOM (Document Object Model)| JavaScript Operators | HackVenom

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========== In this video you will learn DOM (Document Object Model) in JS ==================
📺 DOM (Document Object Model) in JS :-

➽ DOM (Document Object Model): A programming interface for web documents that represents the structure of a document as a tree of objects. It provides a way to interact with HTML and XML documents.

➽ Nodes: Fundamental units of the DOM tree, representing different parts of a document, such as elements, text, attributes, etc.

➽ Document Node: The top-level node in the DOM hierarchy, representing the entire document.

➽ Element Nodes: Nodes that represent HTML or XML elements in the document. They can have attributes, children, and other properties.

➽ Attribute Nodes: Nodes that represent attributes of elements. They contain information about the properties of an element.

➽ Text Nodes: Nodes that represent the textual content within an element. Text nodes are child nodes of elements.

➽ Parent, Child, and Sibling Nodes: Nodes in the DOM are organized in a hierarchical structure. The node from which another node descends is its parent, and nodes sharing the same parent are siblings.

➽ Traversal Methods: DOM provides methods to navigate and traverse the tree structure, such as parentNode, firstChild, lastChild, nextSibling, and previousSibling.

➽ Node Relationships: Nodes in the DOM have various relationships, including parent-child relationships, sibling relationships, and ancestor-descendant relationships.

➽ Creating and Modifying Nodes: JavaScript allows creating new nodes, appending them to existing elements, and modifying the content and attributes of nodes.

➽ Event Handling: The DOM provides the ability to handle events triggered by user interactions, such as clicks, keypresses, and mouse movements.

➽ getElementById(): A method to retrieve an element from the document using its unique identifier.

➽ querySelector() and querySelectorAll(): Methods to select elements from the document using CSS selector syntax.

➽ Manipulating Styles and Classes: JavaScript allows changing the styles and classes of elements dynamically, providing a way to update the visual presentation of the document.

➽ Dynamic HTML (DHTML): The combination of HTML, CSS, and JavaScript to create interactive and dynamic web pages by manipulating the DOM.

➽ Document Manipulation: Changing the structure and content of the document dynamically using JavaScript.

➽ Asynchronous DOM Manipulation: Performing DOM manipulations asynchronously to improve performance and user experience.

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