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 is the Document Object Model (DOM) primarily used for in web browsers?

• To manage server requests

• To create animations

• To interpret and display web pages

• To store user data

Which element is considered the root element in an HTML document?

• Title tag

• HTML open tag

• Head tag

• Body tag

What attribute does the 'a' element typically contain?

• src

• class

• id

• href

Which method can be used to change all elements of a specific tag using JavaScript?

• By using the tag name

• By using the class name

• By using the element's text content

• By using the element's parent

How can a specific element be targeted for modification using JavaScript?

• By its ID

• By its position

• By its color

• By its size