
HTML, CSS, JavaScript Course
Learn HTML, CSS, and JavaScript from the ground up and build real, deployable web applications. This course takes you from setting up your first development environment to shipping a portfolio-ready front-end project. Every concept is applied through hands-on coding, so you leave with skills employers can actually see.
What you will learn:
You will learn how to structure webpages with semantic HTML, style them with modern CSS, including Flexbox and Grid, and bring them to life with JavaScript. The course covers core programming concepts such as functions, arrays, objects, and control flow, then moves on to DOM manipulation and asynchronous programming with the Fetch API. You will also work with Git for version control, use browser DevTools for debugging, and follow accessibility and web standards throughout. By the end, you will have built and deployed a complete front-end application using a public REST API.
How you study in practice HTML, CSS, JavaScript Course
How you practise HTML, CSS, JavaScript Course
For companies looking to train their team
With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.
Course Content
8 Chapters • 39 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsWeb Development Foundations and Environment Setup
Web Development Foundations and Environment Setup
Lesson 1 • Setting Up Your Dev Environment
Installs and configures a code editor, browser dev tools, and local file structure. Ensures every student has an identical, functional workspace.
Lesson 2 • Version Control with Git Basics
Teaches init, commit, and push workflows so students track every project from day one. Establishes professional habits before code complexity increases.
Lesson 3 • How the Web Works
Covers client-server communication, HTTP requests, and browser rendering pipelines. Grounds all later coding decisions in real browser behavior.
Lesson 4 • Anatomy of an HTML Document
Introduces DOCTYPE, head, and body elements as the skeleton of every webpage. Connects file structure to what the browser actually parses.
Chapter 2HideHide detailsSee detailsCore HTML Structure and Semantics
Core HTML Structure and Semantics
Lesson 1 • Lists, Links, and Navigation
Builds ordered, unordered, and description lists plus anchor elements with attributes. These patterns form the backbone of every site's navigation structure.
Lesson 2 • Text and Heading Elements
Covers h1–h6, p, strong, em, and blockquote for content hierarchy. Proper heading order directly impacts SEO and screen-reader navigation.
Lesson 3 • Images, Media, and Figures
Embeds images, audio, and video with correct attributes for accessibility and performance. Alt text and captions are treated as required, not optional.
Lesson 4 • Semantic Layout Elements
Replaces generic divs with header, main, section, article, aside, and footer. Semantic markup improves machine readability and accessibility scores.
Lesson 5 • HTML Forms and Input Types
Creates forms with labels, inputs, selects, and textareas using correct association patterns. Proper form markup is prerequisite for CSS styling and JS validation.
Chapter 3HideHide detailsSee detailsCSS Fundamentals and the Box Model
CSS Fundamentals and the Box Model
Lesson 1 • The Box Model Explained
Teaches content, padding, border, and margin as the four layers of every element. Mastery of box-sizing prevents layout bugs throughout the course.
Lesson 2 • CSS Variables and Custom Properties
Defines and reuses design tokens via CSS custom properties for maintainable stylesheets. Variables reduce repetition and enable theme switching in later projects.
Lesson 3 • Typography and Color
Sets font families, sizes, weights, line heights, and color values using modern CSS units. Consistent type and color scales are the foundation of visual design systems.
Lesson 4 • CSS Selectors and Specificity
Covers element, class, ID, attribute, and pseudo-class selectors with specificity calculation. Understanding specificity prevents cascading conflicts in larger stylesheets.
Lesson 5 • Display, Positioning, and Flow
Explains block, inline, inline-block, and position values that control document flow. These concepts are required before learning Flexbox and Grid.
Chapter 4HideHide detailsSee detailsCSS Layouts: Flexbox and Grid
CSS Layouts: Flexbox and Grid
Lesson 1 • Grid Placement and Named Areas
Places items using line numbers, span keywords, and named template areas. Named areas make complex layouts readable and easy to restructure.
Lesson 2 • Flexbox Container Properties
Controls flex-direction, justify-content, align-items, and flex-wrap on the parent. These properties govern how children are distributed along both axes.
Lesson 3 • Responsive Design with Media Queries
Applies breakpoints and mobile-first strategy to adapt layouts across screen sizes. Combines Flexbox and Grid with media queries for production-ready responsiveness.
Lesson 4 • CSS Grid Fundamentals
Defines grid-template-columns, grid-template-rows, and grid-gap for two-dimensional layouts. Grid solves layout problems that Flexbox handles awkwardly.
Lesson 5 • Flexbox Item Properties
Applies flex-grow, flex-shrink, flex-basis, and align-self to individual children. Item-level control enables unequal column widths and self-aligned elements.
Chapter 5HideHide detailsSee detailsJavaScript Fundamentals
JavaScript Fundamentals
Lesson 1 • Variables, Data Types, and Operators
Declares variables with let, const, and var and identifies primitive data types. Operator precedence and type coercion are addressed to prevent common bugs.
Lesson 2 • Functions and Scope
Defines functions with declarations, expressions, and arrow syntax while explaining scope chains. Scope mastery prevents variable leakage and closure bugs.
Lesson 3 • Objects and Object Methods
Constructs objects with properties and methods, and accesses them via dot and bracket notation. Objects model real-world data structures used in every JS application.
Lesson 4 • Arrays and Array Methods
Creates and manipulates arrays using push, pop, map, filter, and reduce. Functional array methods are used throughout DOM manipulation and API work.
Lesson 5 • Control Flow: Conditionals and Loops
Implements if/else, switch, for, while, and do-while to direct program execution. Control flow is the prerequisite for all algorithmic thinking in later chapters.
Chapter 6HideHide detailsSee detailsDOM Manipulation and Events
DOM Manipulation and Events
Lesson 1 • Modifying Elements and Styles
Changes textContent, innerHTML, attributes, and classList to update the page without reloading. These techniques power live UI updates in single-page applications.
Lesson 2 • Creating and Removing DOM Nodes
Builds new elements with createElement, appends them, and removes stale nodes. Dynamic node creation enables list rendering and component-style patterns.
Lesson 3 • Event Delegation and Bubbling
Leverages event bubbling to attach single listeners to parent containers for dynamic children. Delegation reduces memory usage and handles runtime-generated elements.
Lesson 4 • Selecting and Traversing the DOM
Uses querySelector, getElementById, and traversal properties to target elements precisely. Accurate selection is the foundation of all dynamic page behavior.
Lesson 5 • Event Listeners and the Event Object
Attaches click, input, submit, and keyboard events using addEventListener. The event object provides target, type, and prevention methods for full control.
Chapter 7HideHide detailsSee detailsAsynchronous JavaScript and APIs
Asynchronous JavaScript and APIs
Lesson 1 • Async/Await Syntax
Rewrites Promise chains using async functions and await expressions for readable code. Async/await is the modern standard for all fetch-based workflows.
Lesson 2 • Promises and Promise Chaining
Creates and consumes Promises with .then(), .catch(), and .finally() for cleaner async code. Promise chaining replaces nested callbacks in sequential async operations.
Lesson 3 • Rendering API Data in the DOM
Maps fetched JSON arrays to HTML elements and handles loading and error states visually. Connects async data retrieval to DOM manipulation from the previous chapter.
Lesson 4 • Fetching Data with the Fetch API
Sends GET and POST requests using fetch(), parses JSON responses, and handles errors. Fetch is the browser-native tool for all REST API communication.
Lesson 5 • Asynchronous Concepts and Callbacks
Explains the call stack, event loop, and callback pattern for deferred execution. Understanding the event loop prevents blocking UI and callback-hell mistakes.
Chapter 8HideHide detailsSee detailsCapstone Project: Full-Stack Front-End App
Capstone Project: Full-Stack Front-End App
Lesson 1 • Deployment and Code Review
Deploys the project to a static hosting platform and conducts a structured peer code review. Deployment and review simulate real professional delivery standards.
Lesson 2 • Styling with CSS and Responsive Layout
Applies a design system using CSS variables, Flexbox, and Grid with full responsiveness. Consistent visual design demonstrates mastery of chapters 3 and 4.
Lesson 3 • Project Planning and Architecture
Defines user stories, wireframes, and component breakdown before writing code. Planning prevents scope creep and establishes a professional development workflow.
Lesson 4 • JavaScript Logic and API Integration
Implements fetch calls, DOM rendering, event handling, and state management in vanilla JS. Integrates all JS skills from chapters 5, 6, and 7 into one codebase.
Lesson 5 • Building the HTML Structure
Scaffolds semantic HTML for all app views using patterns from chapters 2 and 3. Correct structure ensures CSS and JS layers integrate without refactoring.
Your valid completion certificate
This course is for you:
Career changers: looking to break into tech without a computer science degree.
Marketing professionals: wanting to stop relying on developers for simple website edits.
Freelancers: ready to add web development services to their existing client offerings.
College students: building a technical skill set to strengthen their job applications.
Small business owners: determined to build and maintain their own web presence independently.
Hobbyists: eager to turn creative ideas into real, shareable websites from scratch.
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