JavaScript

JavaScript

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Last Update	09/13/2026
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Section 8: Asynchronous JavaScript

13Lessons ·
- 64: Fetching Data with the Fetch API
  
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Section 10: The DOM

11Lessons ·
- 77: The DOM Tree Explained
  
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Section 11: Browser APIs

11Lessons ·
- 88: Web Storage: localStorage and sessionStorage
  
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- 90: The History API
  
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- 91: Geolocation API
  
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- 94: The Notification API
  
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- 95: The Canvas API for 2D Drawing
  
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Section 15: Testing

8Lessons ·
- 124: Snapshot Testing
  
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Section 16: Accessibility for JavaScript Developers

3Lessons ·
- 129: ARIA Roles and Live Regions in Dynamic UIs
  
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- 131: Keyboard Navigation for Custom Widgets
  
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Section 17: Internationalization and Localization

3Lessons ·
- 134: Handling RTL Layouts in JavaScript Apps
  
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Section 20: Regular Expressions

6Lessons ·
Section 22: Security Basics

5Lessons ·
- 167: Secure Storage of Tokens in the Browser
  
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Section 30: Build Tooling for Vanilla JavaScript

5Lessons ·
- 217: Bundling with Webpack or Vite Basics
  
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- 219: Formatting with Prettier
  
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Section 31: More Practice Projects

6Lessons ·
- 223: Building a Simple Chat UI with WebSockets
  
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- 225: Building a Custom Video Player Interface
  
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- 226: Building a Simple Whiteboard/Drawing App with Canvas
  
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