Observables and RxJS Fundamentals — PickAClass
⏱ 2h 42m 📚 27 lessons

Observables and RxJS Fundamentals

Understand reactive programming concepts to build responsive applications with efficient data handling.

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About this course

Are you looking to build more dynamic and responsive applications that can handle complex data flows with ease? This course will guide you through the essential concepts of Observables and RxJS. Gain a solid understanding of reactive programming principles and learn how to leverage Observables and RxJS to manage asynchronous operations and data streams effectively. This knowledge empowers you to create applications that are both performant and highly interactive. What you'll learn: * Understand the core principles of reactive programming and asynchronous data streams. * Learn to define and subscribe to Observables for managing data flow. * Master common RxJS operators for transforming, filtering, and combining data. * Apply RxJS patterns to handle user events and asynchronous requests. * Explore modern patterns like using RxJS with Promises and async/await for enhanced control. * Practice implementing reactive solutions for common application challenges. The course begins with fundamental definitions and builds progressively towards practical application, equipping you with the skills to manage complex data interactions. This course is designed for beginners with no prior experience in reactive programming or RxJS. No prerequisites are needed. Start building more efficient and interactive applications today.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 42m 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
This certifies that
Name Surname
has successfully demonstrated mastery of
Observables and RxJS Fundamentals
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
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PickAClass — Name Surname
Observables and RxJS Fundamentals
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.

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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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