Chapter 3: Tree Structures in HTML, CSS and JavaScript

A Complete Frontend Developer Textbook for Beginners (2023 Edition)

This is the textbook version of Lesson 3 of 100 from the Udemy video course: A Complete Frontend Developer Course for Beginners

← Chapter 2: JavaScript Console

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Overview

This lesson covers the following HTML tags, CSS topics, and JavaScript commands for the first time:

HTML

1. html
2. head
3. body

CSS

1. background
2. :first-child
3. :last-child

JS

1. document (Document Object Model)
2. document.documentElement
3. document.documentElement.firstChild
4. document.documentElement.lastChild
5. document.documentElement.tagName

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Lecture