JavaScript DOM and Responsive Web Design: Practical Exercises — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

JavaScript DOM and Responsive Web Design: Practical Exercises

Build dynamic, responsive web pages from scratch by mastering DOM manipulation and mobile-first layout techniques using vanilla JavaScript.

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About this course

Dynamic websites require a deep understanding of how to interact with and change web page elements on the fly. This text-based course guides you through the core concepts of the Document Object Model (DOM) and how to use modern JavaScript to create responsive, interactive layouts that adapt beautifully to any screen size. What you'll learn: - Learn the foundational concepts of the DOM tree and how to traverse and select HTML elements. - Modify page content, styles, and attributes dynamically using vanilla JavaScript. - Implement responsive design patterns and mobile-first layouts using resize listeners and matchMedia. - Build practical interactive components like navigation menus, modals, and dynamic lists. - Practice modern best practices for web accessibility and performance optimization in DOM manipulation. You will start with key terminology, basic concepts, and foundational definitions before moving step-by-step through practical, text-based exercises that reinforce your coding skills. This course is designed for beginners with basic HTML and CSS knowledge who want to make their websites interactive without relying on heavy frameworks. Start reading today to build responsive, dynamic web experiences with vanilla JavaScript.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 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.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
JavaScript DOM and Responsive Web Design: Practical Exercises
Skills demonstrated
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Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
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1.7 hrs
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Behavioral copywriting
Advanced
1.9 hrs
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JavaScript DOM and Responsive Web Design: Practical Exercises
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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.

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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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