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Sep 11, 2025
18m:12s
Introduction to Async Functions
Classification
Software Engineering | Languages | JavaScript
Keywords
javascript
About This Episode:
Async programming doesn’t have to feel like juggling chainsaws. In this episode, we’ll unravel the magic of async and await—two keywords that make working with asynchronous code in JavaScript cleaner, easier, and far more readable. 🚀
We’ll start by exploring why async matters: JavaScript is single-threaded but non-blocking, so operations like network requests need special handling. You’ll see how we moved from callbacks ➝ Promises ➝ async/await, and why this evolution makes your code shine. ✨
Next, you’ll learn:
🔑 What makes an async function special (spoiler: it always returns a Promise).
⏸ How await pauses execution until a Promise settles—without freezing your app.
💻 Real-world examples, including a simulated network request written both with .then() and the async/await style.
🛡 How to handle errors gracefully with try/catch.
By the end, you’ll feel confident writing asynchronous JavaScript that’s elegant, predictable, and easy to read. ⚡
We’ll start by exploring why async matters: JavaScript is single-threaded but non-blocking, so operations like network requests need special handling. You’ll see how we moved from callbacks ➝ Promises ➝ async/await, and why this evolution makes your code shine. ✨
Next, you’ll learn:
🔑 What makes an async function special (spoiler: it always returns a Promise).
⏸ How await pauses execution until a Promise settles—without freezing your app.
💻 Real-world examples, including a simulated network request written both with .then() and the async/await style.
🛡 How to handle errors gracefully with try/catch.
By the end, you’ll feel confident writing asynchronous JavaScript that’s elegant, predictable, and easy to read. ⚡
Short Bio:
Bob Cravens is a seasoned technology leader, software architect, and educator with a passion for empowering others through practical, real-world knowledge. As the founder of TekFoundry, Bob has dedicated his career to designing and delivering innovative software solutions that combine cutting-edge technology with elegant simplicity.
At TekCasts, Bob leverages over two decades of experience in software engineering, application architecture, and team leadership to create engaging, high-impact courses for developers and technology professionals. His instructional style is rooted in practical application, offering insights drawn from his extensive background in industries like medical devices and global technology consulting.
Bob’s expertise spans a variety of technologies and methodologies, including PHP/Laravel, FastAPI, and DevOps, as well as architecture best practices and team dynamics. Whether teaching foundational concepts or advanced strategies, he’s passionate about helping others turn complex challenges into streamlined solutions.
When not crafting elegant code or inspiring the next generation of tech innovators, Bob enjoys exploring the intersection of technology, business strategy, and creative problem-solving.
At TekCasts, Bob leverages over two decades of experience in software engineering, application architecture, and team leadership to create engaging, high-impact courses for developers and technology professionals. His instructional style is rooted in practical application, offering insights drawn from his extensive background in industries like medical devices and global technology consulting.
Bob’s expertise spans a variety of technologies and methodologies, including PHP/Laravel, FastAPI, and DevOps, as well as architecture best practices and team dynamics. Whether teaching foundational concepts or advanced strategies, he’s passionate about helping others turn complex challenges into streamlined solutions.
When not crafting elegant code or inspiring the next generation of tech innovators, Bob enjoys exploring the intersection of technology, business strategy, and creative problem-solving.