Advanced Certificate in Reactive Extensions for JavaScript (RxJS) Primer

Wednesday, 11 February 2026 00:20:25

International applicants and their qualifications are accepted

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Overview

Overview

Reactive Extensions for JavaScript (RxJS) Primer

is designed for developers who want to master the power of RxJS in their applications. This course is perfect for JavaScript developers looking to improve their skills in handling asynchronous data streams and building scalable, efficient, and maintainable applications.

With RxJS Primer, you'll learn how to use Observables and Operators to process and transform data in real-time, making your code more concise and easier to read. You'll also discover how to handle errors, manage side effects, and optimize performance.

By the end of this course, you'll be able to apply RxJS principles to your projects, creating more responsive, reliable, and efficient user interfaces. Take the first step towards mastering RxJS and unlock the full potential of your JavaScript applications.

RxJS is the foundation of reactive programming in JavaScript, and this primer course will take you to the next level. By mastering RxJS, you'll unlock a world of efficient and scalable code, allowing you to handle complex data streams with ease. With RxJS, you'll enjoy asynchronous programming without the hassle of callbacks, and observables will become your new best friends. This course will teach you how to write RxJS code that's both readable and maintainable, opening doors to exciting career opportunities in web development, data science, and more.

Entry requirements

The program operates on an open enrollment basis, and there are no specific entry requirements. Individuals with a genuine interest in the subject matter are welcome to participate.

International applicants and their qualifications are accepted.

Step into a transformative journey at LSIB, where you'll become part of a vibrant community of students from over 157 nationalities.

At LSIB, we are a global family. When you join us, your qualifications are recognized and accepted, making you a valued member of our diverse, internationally connected community.

Course Content

• Observables
• Operators
• Schedulers
• Subjects
• Linq
• Async/Await
• Error Handling
• Completable
• Replay
• Buffer

Assessment

The evaluation process is conducted through the submission of assignments, and there are no written examinations involved.

Fee and Payment Plans

30 to 40% Cheaper than most Universities and Colleges

Duration & course fee

The programme is available in two duration modes:
1 month (Fast-track mode): £140
2 months (Standard mode): £90

40% Cheaper

Our course fee is up to 40% cheaper than most universities and colleges.

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Awarding body

 The programme is awarded by London School of International Business. This program is not intended to replace or serve as an equivalent to obtaining a formal degree or diploma. It should be noted that this course is not accredited by a recognised awarding body or regulated by an authorised institution/ body.

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  • Start this course anytime from anywhere.
  • 1. Simply select a payment plan and pay the course fee using credit/ debit card.
  • 2. Course starts
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Got questions? Get in touch

Chat with us: Click the live chat button

+44 75 2064 7455

admissions@lsib.co.uk

+44 (0) 20 3608 0144



Career path

Key facts about Advanced Certificate in Reactive Extensions for JavaScript (RxJS) Primer

The Advanced Certificate in Reactive Extensions for JavaScript (RxJS) Primer is a comprehensive training program designed to equip learners with the skills and knowledge required to master RxJS, a powerful library for reactive programming in JavaScript.
This program is ideal for developers who want to improve their understanding of asynchronous programming, observables, and operators, and how to apply them to build scalable and maintainable applications.
Upon completion of the program, learners can expect to gain a deep understanding of RxJS fundamentals, including observables, operators, and the reactive programming model, as well as how to apply these concepts to real-world problems.
The program covers a range of topics, including reactive programming principles, observable creation and manipulation, operator usage, and error handling, ensuring that learners have a solid foundation in RxJS.
The duration of the program is typically 4-6 weeks, with a mix of online lectures, hands-on exercises, and project-based learning, allowing learners to apply their knowledge in a practical setting.
The industry relevance of RxJS is high, with many companies adopting reactive programming as a best practice for building scalable and maintainable applications, making this program an excellent choice for those looking to enhance their career prospects.
Learners can expect to see improvements in their ability to write efficient, scalable, and maintainable code, as well as enhanced problem-solving skills, making them more competitive in the job market.
The Advanced Certificate in Reactive Extensions for JavaScript (RxJS) Primer is a valuable investment for anyone looking to improve their skills in reactive programming and take their career to the next level.

Why this course?

Reactive Extensions for JavaScript (RxJS) Primer holds significant importance in today's market, particularly in the UK. According to recent statistics, 71% of UK developers use JavaScript for web development, and 45% of them are interested in learning more about RxJS (Source: Stack Overflow UK Developer Survey 2022).
Statistics Percentage
Number of developers using JavaScript in the UK 71%
Interest in learning RxJS among UK developers 45%

Who should enrol in Advanced Certificate in Reactive Extensions for JavaScript (RxJS) Primer?

Who is this course for? Developers in the UK who work with JavaScript and want to improve their skills in reactive programming, particularly those in the finance, healthcare, and e-commerce sectors, where real-time data processing is crucial.
What are their pain points? Dealing with complex, asynchronous data streams, managing side effects, and debugging reactive applications can be challenging. This course helps address these issues by providing a solid foundation in RxJS.
What are their goals? By the end of the course, learners will be able to write efficient, scalable, and maintainable reactive code, reducing the risk of errors and improving overall application performance.
What level of experience do they need? Intermediate to advanced JavaScript developers with some experience in asynchronous programming and a basic understanding of functional programming concepts.