What is the Document Object Model (DOM) in web development?

Question

Options

• AA programming interface for HTML and XML documents.
• BA database system used for storing website data.
• CA server-side scripting language.
• DA tool for designing website layouts.

• A
  92% (24)
• B
  4% (1)
• C
  4% (1)

Explanation

Option A is correct because the DOM is a programming interface (API) that represents HTML and XML documents as a tree of objects, allowing languages like JavaScript to dynamically access and manipulate page content, structure, and styles. Option B is wrong because the DOM has nothing to do with databases - data storage is handled by systems like MySQL or MongoDB. Option C is incorrect because server-side scripting refers to languages like PHP or Python that run on a web server, whereas the DOM operates in the browser (client-side). Option D is a distractor because layout design is the role of CSS, not the DOM.

Memory tip: Think of the DOM as a Document Object Map - it "maps" your HTML into objects that JavaScript can navigate and modify, like a live blueprint of the page.

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