Web and Mobile App Development with HTML5, CSS, and JavaScript — PickAClass
3.8 (5) ⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Web and Mobile App Development with HTML5, CSS, and JavaScript

Learn to build modern, responsive websites and interactive progressive web apps featuring offline support and mobile device integration.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Want to build real-world web applications and mobile-friendly websites from scratch? Transitioning from basic coding theory to building functional, interactive projects can feel challenging without structured, hands-on guidance. This text-based course takes you from fundamental concepts to practical implementation, showing you how to build modern websites and Progressive Web Apps (PWAs) using standard web technologies. You will learn to write clean, semantic markup, style responsive layouts with modern design principles, and program dynamic features with JavaScript, including device hardware integration like location services, voice recognition, and offline functionality. What you'll learn: - Understand the core principles of semantic HTML, modern CSS layouts, and JavaScript programming - Build responsive, mobile-first web designs that adapt seamlessly to any screen size - Create Progressive Web Apps (PWAs) that work offline and can be installed on mobile devices - Implement modern browser APIs to access hardware features like GPS geolocation and speech recognition - Apply web accessibility basics to ensure your applications are usable for everyone - Configure local browser storage to persist user data without complex databases Your learning starts with essential terminology and structural foundations before moving into styling and interactive scripting. You will read through step-by-step project breakdowns, analyzing clear code explanations to understand how to build and deploy functional web applications. This course is designed for absolute beginners, aspiring developers, and designers looking to build a strong foundation through written explanations and code analysis. No prior programming experience is required. Start your web development journey today and begin building your own interactive applications.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Web and Mobile App Development with HTML5, CSS, and JavaScript
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Web and Mobile App Development with HTML5, CSS, and JavaScript
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (5)

Javier Ortiz CO Verified learner
★ 3 · July 24, 2026

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

علي بن أحمد بن محمد آل ثاني QA Verified learner
★ 4 · July 10, 2026

Brilliant course design. The way concepts build on each other is seamless. Very practical and well-explained.

مصطفى محمد EG Verified learner
★ 4 · June 26, 2026

Learned a good amount here. The examples were relevant, though I wished there were a few more practical application tasks. Still, a worthwhile experience.

Hauwa Bello NG Verified learner
★ 4 · June 6, 2026

Really enjoyed this. The structure flowed perfectly, and the practical applications are immediately useful. Great job!

Daniel Kogan IL Verified learner
★ 4 · June 5, 2026

This course exceeded all my expectations. The practical applications are immediately useful. Couldn't have asked for more!

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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