The Document Object Model (DOM) represents the structure of your HTML document. JavaScript allows you to manipulate this structure to dynamically change the content and appearance of your webpage.

Minimize DOM manipulation for better performance. Use event delegation for efficient event handling. Cache DOM elements to avoid redundant lookups. Use textContent over innerHTML when dealing with ...

The JavaScript will then trigger any events or variables specified within it, the Document Object Model (DOM) will be updated, and, finally, the JavaScript will be rendered in the browser.