Basic Asynchronous JavaScript
Learn asynchronous JavaScript with Promises, Async/Await, timers, callbacks and event-loop concepts for modern web development.
231 Students
Overview
Basic asynchronous JavaScript introduces learners to the programming concepts that allow JavaScript applications to perform tasks without unnecessarily blocking other operations. This course begins by comparing synchronous and asynchronous code before exploring setTimeout, setInterval, Promises, Async/Await and generator functions. Through demonstrations and workshops, learners can see how delayed execution, repeated tasks and asynchronous workflows operate. Moreover, the curriculum provides a structured introduction to the JavaScript event loop and modern approaches to handling time-dependent operations, creating a useful foundation for JavaScript web development and contemporary coding projects.
Course Description
When JavaScript needs to handle several operations efficiently, knowing how asynchronous code works can make development far more effective. This asynchronous JavaScript course introduces the core ideas behind JavaScript async programming, beginning with synchronous execution and progressing towards non-blocking workflows. Therefore, learners explore how setTimeout and setInterval control delayed and repeated tasks while developing a clearer grasp of asynchronous programming for beginners.
Next, the course examines JavaScript promises, including how a delayed operation can be wrapped inside a Promise. In addition, learners explore JavaScript async and await to structure asynchronous operations in a cleaner way. The curriculum also introduces JavaScript callbacks, helping learners recognise different approaches to managing operations that do not complete immediately. Consequently, these concepts provide valuable foundations for a JavaScript programming course and broader development work.
Finally, the course introduces generator functions and asynchronous workflows, while the demonstrations connect concepts with realistic coding scenarios. Furthermore, learners explore the role of the JavaScript event loop in coordinating operations. This creates a stronger foundation for modern JavaScript development, particularly where responsive applications and dynamic web functionality are required. As a result, the course supports learners progressing towards more advanced JavaScript web development projects.
Learning Outcomes
- Explain the distinction between synchronous and asynchronous JavaScript execution.
- Apply timers for delayed and recurring programming tasks.
- Work with Promises and Async/Await for asynchronous operations.
- Recognise callbacks, generator functions and event-loop behaviour.
- Build a foundation for modern JavaScript development workflows.
Who Is This Course For?
- Beginners seeking an introduction to asynchronous programming concepts.
- Aspiring developers starting a JavaScript programming course.
- Web developers wanting stronger JavaScript async programming knowledge.
- Learners exploring JavaScript web development and event-driven applications.
- Students preparing for more advanced modern JavaScript development.
Certification
Once the Basic Asynchronous JavaScript is successfully completed, the learner can obtain the PDF certificate without any cost. The hard copy of the certificate is also available for £4.99. However, anyone ordering the hard copy certificate from outside the United Kingdom may incur an additional delivery charge.
Career Path
Junior JavaScript Developer — Builds website features and interactive functions using JavaScript.
Average UK salary: £40,000–£50,000 per year.
Front-End Developer — Develops responsive interfaces and browser-based functionality.
Average UK salary: £45,000–£60,000 per year.
Web Developer — Creates and maintains dynamic websites using modern development technologies.
Average UK salary: £40,000–£55,000 per year.
JavaScript Developer — Creates application functionality using JavaScript and asynchronous programming patterns.
Average UK salary: £45,000–£65,000 per year.
Full-Stack Developer — Works across front-end and back-end components of web applications.
Average UK salary: £50,000–£70,000 per year.
Software Developer — Designs, develops and maintains software applications across different platforms.
Average UK salary: £45,000–£65,000 per year.
Schema Markup
Frequently Asked Questions (FAQs)
It is an introductory course covering asynchronous JavaScript concepts, including timers, Promises, Async/Await and generator functions.
Yes. The curriculum introduces synchronous and asynchronous programming concepts progressively, making it suitable for learners developing their JavaScript foundations.
You will explore what Promises are and how they can be used to manage asynchronous operations, including examples involving delayed tasks.
Yes. The course explains JavaScript async and await and demonstrates how these features can make asynchronous code more concise.
Yes. The concepts provide a useful foundation for learners progressing towards roles such as JavaScript Developer, Front-End Developer and Web Developer.
Basic Asynchronous JavaScript Course Reviews
An outstanding online course with clear explanations and practical examples. I could study at my own pace and still feel fully supported throughout. It’s truly boosted my confidence and career prospects
The course was well-structured, engaging, and easy to follow. The flexibility made it perfect alongside my full-time job. I’ve gained valuable, real-world skills that I can apply immediately.
Excellent learning experience from start to finish. The content was professional, up-to-date, and highly relevant. I would highly recommend it to anyone looking to upskill online.
Course Curriculum
| Basic Asynchronous JavaScript | |||
| An Async Javascript Scenario | 00:02:00 | ||
| Defining Asynchronous / What is Synchronous code? | 00:04:00 | ||
| WORKSHOP -Exploring Synchronicity in JavaScript | 00:09:00 | ||
| All About Asynchronous Code | 00:06:00 | ||
| Course Roadmap | 00:01:00 | ||
| What is setTimeout? | 00:05:00 | ||
| DEMO – Delaying Code Execution with setTimeout | 00:10:00 | ||
| What is setInterval? | 00:02:00 | ||
| DEMO – Repeating Tasks with setInterval | 00:07:00 | ||
| Chapter Summary | 00:01:00 | ||
| What is Async / Await? | 00:03:00 | ||
| What are Promises? | 00:02:00 | ||
| DEMO – Wrapping setTimeout with a Promise | 00:05:00 | ||
| All About Async | 00:02:00 | ||
| DEMO – Performing Asynchronous Tasks Concisely with Async / Await | 00:12:00 | ||
| What are JavaScript Generator Functions? | 00:02:00 | ||
| Demo – Asynchronous JavaScript via generators | 00:08:00 | ||
| Course Summary | 00:02:00 | ||
| Assignment | |||
| Assignment -Basic Asynchronous JavaScript | 00:00:00 | ||
Frequently Asked Questions
Yes, Discover Training provides accredited and CPD-certified courses, ensuring learners receive recognised qualifications that support career progression and professional compliance.
Anyone can enrol, including students, professionals, job seekers, career changers, and organisations. Most courses do not require previous experience, making them accessible to learners at all levels.
Discover Training offers courses across multiple sectors, including business, health and safety, compliance, leadership, IT, personal development, and professional skills training.
You will have 14 days to revoke your Course purchase from your purchase date. Regrettably, refunds are not allowed after your purchase have been approved, and materials have been posted to the student’s dashboard or accessed.
Yes, learners receive a downloadable digital certificate upon successful completion, suitable for CPD records, CVs, and professional portfolios.
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Number of Units:
19 -
Access:
1 Year -
Duration:
1 hour, 23 minutes -
PDF Certificate
Included
