What is DOM?
DOM, the Document Object Model, is a programming interface for web documents. It represents the structure of a document as a tree of objects that can be manipulated to change the document’s content, structure, and style. This allows developers to create dynamic and interactive web pages.
How Does DOM Work?
When a web page is loaded, the browser creates a DOM tree by parsing the HTML markup. Each element on the page becomes a node in the tree, which can be accessed and manipulated using JavaScript. This allows developers to create responsive and interactive websites by dynamically updating the DOM in response to user actions.
Examples of DOM Manipulation
- Changing text content
- Adding or removing elements
- Styling elements
Case Studies
For example, a news website might use DOM manipulation to dynamically update the page with the latest headlines without requiring a full page refresh. Similarly, an e-commerce site could use DOM manipulation to show product recommendations based on user browsing history.
Statistics on DOM Usage
According to a survey by Stack Overflow, over 90% of web developers use JavaScript for DOM manipulation in their projects. This highlights the importance of understanding the DOM in modern web development.
