Asynchronous JavaScript with Async Functions and Await — PickAClass
⏱ 2h 36m 📚 26 lessons

Asynchronous JavaScript with Async Functions and Await

Learn to write sequential-looking, highly readable asynchronous code, effectively replacing complex Promise chaining for modern web development.

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About this course

Asynchronous operations like fetching data or handling user input are central to modern JavaScript, but traditional methods often result in complex, nested code. This foundational course teaches you how to leverage the modern `async` and `await` syntax to solve the challenges of asynchronous programming. By the end of this course, you will transform complicated Promise structures into clean, synchronous-looking code, making your applications easier to debug and maintain. You will gain a deep understanding of how these keywords work under the hood and how to apply them across all your JavaScript projects. What you'll learn: * Understand the core concepts of the JavaScript event loop and asynchronous execution flow. * Master the syntax of `async` functions and how they implicitly return Promises. * Apply the `await` expression to pause execution and cleanly resolve Promise values. * Implement robust error handling in asynchronous code using standard `try...catch` blocks. * Practice managing multiple concurrent asynchronous tasks using utility methods like `Promise.all`. This course begins by defining the underlying role of Promises in JavaScript and then systematically introduces the `async` and `await` keywords. We demonstrate their practical application in common scenarios like API data fetching and handling, culminating in essential patterns for concurrent execution and comprehensive error management. This course is perfect for beginner JavaScript developers who have a basic grasp of functions and variables but need to master modern asynchronous patterns. No prior experience with complex Promise chaining or callbacks is required. Start building faster, cleaner, and more maintainable JavaScript applications today.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 📱 Phone or computer
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  • ⚡ Short & focused
    2h 36m 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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Name Surname
has successfully demonstrated mastery of
Asynchronous JavaScript with Async Functions and Await
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Behavioral pattern analysis
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1.2 hrs
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Decision-architecture frameworks
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1.4 hrs
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1.7 hrs
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Asynchronous JavaScript with Async Functions and Await
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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
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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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