HTML Code Play Plus

Learn HTML, CSS & JavaScript, write and preview code, debug errors, practice quizzes, explore examples and prepare for web developer interviews.

HTML Code Play Plus is a powerful HTML, CSS and JavaScript learning and code editor app designed for students, beginners, web developers and anyone who wants to learn web development, practice programming and build web pages directly on their iPhone or iPad.

Learn web development with practical examples, write your own HTML, CSS and JavaScript code, instantly preview the output, debug errors and improve your frontend development skills—all from one convenient coding app.

Whether you are starting with HTML basics, learning CSS styling, practicing JavaScript programming, preparing for a web developer interview or experimenting with frontend projects, HTML Code Play Plus provides useful tools and learning resources to help you improve.

POWERFUL HTML, CSS & JAVASCRIPT EDITOR

Write and edit HTML, CSS and JavaScript code with an easy-to-use mobile code editor. Syntax highlighting improves code readability, while instant preview lets you see how your web page looks as you develop it.

Build webpages, test code snippets, experiment with layouts and practice frontend development without needing a desktop computer.

REAL-TIME WEB PAGE PREVIEW

Write code and quickly view the result. The integrated preview makes learning web development interactive by allowing you to understand how changes in HTML structure, CSS styles and JavaScript logic affect your webpage.

LEARN WEB DEVELOPMENT

Explore practical web development examples and programming concepts designed to improve real-world coding skills.

Learning topics include:

• HTML, CSS and JavaScript examples • Popup windows • Dynamic HTML tables • Create tables from objects • Insert, edit and delete table data • Form validation • Color generator • Simple calculator • Random password generator • URL encoder and decoder • Timer examples • Directional movement controls • Audio player development • API examples • IP address examples • Interactive coding exercises

Practice fill-in-the-blank exercises and multiple-choice activities while strengthening your understanding of frontend programming.

WEB DEVELOPMENT INTERVIEW QUESTIONS

Prepare for technical interviews with a dedicated Interview Q&A section covering frequently asked web development questions.

Study interview questions for:

• HTML • CSS • JavaScript • jQuery • Bootstrap • General web development

Review important frontend concepts, refresh your programming knowledge and prepare yourself for developer interviews.

CODING QUIZZES & KNOWLEDGE TESTS

Test your web development knowledge with quizzes covering popular frontend technologies including HTML, CSS, JavaScript, jQuery, Bootstrap and AngularJS.

Quizzes help identify areas where you need additional practice and make learning programming more interactive. Eligible quiz performance can also earn an in-app certificate.

PRACTICAL PROGRAMMING EXERCISES

Improve your coding and problem-solving skills through hands-on programming questions. Instead of only reading theory, try solving practical development challenges and learn how HTML, CSS and JavaScript concepts work in real projects.

PROGRAMMING TIPS

Discover useful coding tips covering HTML, CSS, JavaScript, jQuery and Bootstrap. Learn techniques that can help you write cleaner code, understand common development patterns and improve your frontend programming workflow.

JAVASCRIPT CONSOLE & DEBUGGING

Use the built-in console to identify JavaScript errors while testing your code. Error information makes it easier to find problems, understand mistakes and improve your debugging skills.

WHO IS HTML CODE PLAY PLUS FOR?

HTML Code Play Plus is useful for:

• HTML beginners • CSS learners • JavaScript learners • Web development students • Frontend development beginners • Programming students • Coding enthusiasts • Web developer interview preparation • Developers who want a mobile code editor • Anyone learning HTML, CSS and JavaScript