AWS, JavaScript, React - Deploy Web Apps on the Cloud - DOM Introduction

The video tutorial introduces the Document Object Model (DOM) as a tree of objects used by web browsers to interpret and display web pages. It explains the structure of an HTML document, highlighting the root element and its child elements like head, title, and body. The tutorial emphasizes the importance of understanding the DOM for dynamic web page updates using JavaScript or jQuery. It describes methods to select and modify elements by tag name, ID, or class, and previews examples of DOM manipulation in the next lesson.

What are the three methods mentioned for selecting elements in the DOM?

Explain the difference between using an ID and a class to select elements in the DOM.