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DOM

The DOM, or Document Object Model, is the structure that browsers create from the content of a webpage. Think of it as a map of all the elements on the page – text, images, links, and buttons. This structure lets developers interact with content and layout of a page, as well as change it using JavaScript.

How Does DOM Work?

When a page loads, the browser turns the received HTML into a tree-like structure, where each part of the page becomes a “node.” This lets you do things like update text, add or remove elements, or respond to user actions without needing to reload the entire page.

For example, clicking a button might trigger a change in an image or update the text on the page, and all of that happens through the DOM. In essence, the DOM is what makes web pages dynamic and interactive.