About W3
W3: Your All-in-One Programming Tutorial App ◇ COMPREHENSIVE LEARNING RESOURCE ◇ . Nearly 100 carefully crafted tutorials covering essential programming domains . Front-end development: HTML, CSS, JavaScript, and popular...
W3: Your All-in-One Programming Tutorial App ◇ COMPREHENSIVE LEARNING RESOURCE ◇ . Nearly 100 carefully crafted tutorials covering essential programming domains . Front-end development: HTML, CSS, JavaScript, and popular frameworks . Back-end technologies: Python, Java, PHP, Node.js, and more . Mobile development fundamentals for iOS and others . Data visualization techniques and best practices . Introduction to machine learning and artificial intelligence . And more waiting for your explanations ◇ BEGINNER-FRIENDLY YET COMPREHENSIVE ◇ . Clear, step-by-step instructions suitable for absolute beginners . In-depth explanations of programming concepts and principles . Practical examples demonstrating real-world applications . Common pitfalls and troubleshooting guides . Best practices from industry professionals ◇ CUTTING-EDGE CONTENT ◇ . Regularly updated to reflect latest technology trends . Modern frameworks and libraries covered in detail . Progressive learning path from fundamentals to full-stack development . Industry-relevant skills and techniques ◇ LEARN ANYWHERE, ANYTIME ◇ . Complete offline access to all tutorials . No internet connection required after initial download . Perfect for learning on commutes or in areas with limited connectivity . Bookmark your progress and continue learning seamlessly Whether you're starting your programming journey or looking to expand your skills, W3 provides the structured guidance you need to succeed in today's digital world. ◇ Terms and Privacy ◇ . Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ . Privacy Policy: https://yangguang2009.github.io/docs/manuals/w3/privacy-policy/privacy-policy-english
Version History Add Harness Engineering tutorial; 4.0.13 Apr 8 Bugfix; 4.0.12 Feb 13 Add playground feature; 4.0.11 Feb 11 1. Add new tutorials content; 4.0.10 12/03/2025 Bugfix; 4.0.9 09/09/2025 Add new tutorials; 4.0.8 09/07/2025 Add Database tutorials; 4.0.7 07/14/2025 Optimize code block interaction and support horizontal scrolling of content; 4.0.6 06/07/2025 1. Added MCP tutorial; 2. Interaction optimization; 4.0.5 06/01/2025 1. Optimize the theme style settings for reading content; 2. Added the dark mode theme UI that follows the system theme setting; 4.0.4 05/24/2025 1. Update tutorials; 2. Update UI; 4.0.3 05/17/2025 1. Bugfix; 2. Add social share; 4.0.2 02/26/2022 1. Bugfix; 2. Add feedback button; 3. Local language auto setting; 4.0.1 02/06/2022 1. New UI; 2. Add new tutorials; 4.0.0 08/22/2021 1. Update tab UI; 2. Update reading UI details; 3.1.1 01/24/2021 1. Update UI details; 2. Update news sources; 3. Support language setting auto update; 3.1 01/07/2021 1. Update new UI; 2. Support new features; 3.0 12/29/2020 1. Update UI for iPhoneX; 2. Bugfix; 2.4.0 03/19/2018 1. Fix UI display on iPhone Plus devices. 2.3.9 10/23/2017 1. Bugfix; 2.3.8 10/14/2017 - Add tutorials: Koajs, Expressjs, Laravel; - Bugfix; 2.3.7 09/04/2017 Bugfix; 2.3.6 07/31/2017 1. Bugfix; 2.3.5 07/03/2017 - Add tutorials: LESS, Angular2, Electron, ES6, Flask; - Bugfix; 2.3.4 05/30/2017 1. Typo fix; 2.3.3 03/20/2017
Previous Versions
Here you can find the changelog of W3 since it was posted on our website on 2016-09-26 20:37:35.
The latest version is 4.0.13 and it was updated on 2026-06-10 12:51:25. See below the changes in each version.
W3 version 4.0.13
Updated At: 2026-06-10
Changes: Version History Add Harness Engineering tutorial; 4.0.13 Apr 8 Bugfix; 4.0.12 Feb 13 Add playground feature; 4.0.11 Feb 11 1. Add new tutorials content; 4.0.10 12/03/2025 Bugfix; 4.0.9 09/09/2025 Add new tutorials; 4.0.8 09/07/2025 Add Database tutorials; 4.0.7 07/14/2025 Optimize code block interaction and support horizontal scrolling of content; 4.0.6 06/07/2025 1. Added MCP tutorial;
2. Interaction optimization; 4.0.5 06/01/2025 1. Optimize the theme style settings for reading content;
2. Added the dark mode theme UI that follows the system theme setting; 4.0.4 05/24/2025 1. Update tutorials;
2. Update UI; 4.0.3 05/17/2025 1. Bugfix;
2. Add social share; 4.0.2 02/26/2022 1. Bugfix;
2. Add feedback button;
3. Local language auto setting; 4.0.1 02/06/2022 1. New UI;
2. Add new tutorials; 4.0.0 08/22/2021 1. Update tab UI;
2. Update reading UI details; 3.1.1 01/24/2021 1. Update UI details;
2. Update news sources;
3. Support language setting auto update; 3.1 01/07/2021 1. Update new UI;
2. Support new features; 3.0 12/29/2020 1. Update UI for iPhoneX;
2. Bugfix; 2.4.0 03/19/2018 1. Fix UI display on iPhone Plus devices. 2.3.9 10/23/2017 1. Bugfix; 2.3.8 10/14/2017 - Add tutorials: Koajs, Expressjs, Laravel;
- Bugfix; 2.3.7 09/04/2017 Bugfix; 2.3.6 07/31/2017 1. Bugfix; 2.3.5 07/03/2017 - Add tutorials: LESS, Angular2, Electron, ES6, Flask;
- Bugfix; 2.3.4 05/30/2017 1. Typo fix; 2.3.3 03/20/2017
W3 version 4.0.12
Updated At: 2026-02-13
Changes: Bugfix;
W3 version 4.0.9
Updated At: 2025-09-09
Changes: Sep 9, 2025
Version 4.0.9
Bugfix;
W3 version 4.0.7
Updated At: 2025-07-14
Changes: Jul 14, 2025
Version 4.0.7
Add Database tutorials;
W3 version 4.0.6
Updated At: 2025-06-07
Changes: Jun 7, 2025
Version 4.0.6
Optimize code block interaction and support horizontal scrolling of content;
W3 version 4.0.4
Updated At: 2025-05-24
Changes: May 24, 2025
Version 4.0.4
1. Optimize the theme style settings for reading content;
2. Added the dark mode theme UI that follows the system theme setting;
W3 version 4.0.2
Updated At: 2022-02-26
Changes: Feb 26, 2022 Version 4.0.2
1. Bugfix;
2. Add social share;
W3 version 4.0.0
Updated At: 2021-08-22
Changes: Aug 22, 2021 Version 4.0.0
1. New UI;
2. Add new tutorials;
W3 version 3.1.1
Updated At: 2021-01-24
Changes: 24 Jan 2021 Version 3.1.1
1. Update tab UI;
2. Update reading UI details;
W3 version 3.1.1
Updated At: 2021-01-24
Changes: Jan 24, 2021 Version 3.1.1
1. Update tab UI;
2. Update reading UI details;
Disclaimer
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