JavaScript Tutorial
Async/Await in JavaScript (With Examples)
Table of Contents
- Introduction
- What is async/await in JavaScript?
- How to Use Async/Await in JavaScript?
- How Async/Await Works in JS
- Underlying Promise Mechanism
- How to Handle Errors in JS Async/Await
- Why Use the async/await in JavaScript
- Advantages of JavaScript async/await
- Limitations of Async/Await in JavaScript
FAQs about JS Async/Await
No, await is limited to async functions or environments supporting top-level await.
async/await offers a cleaner, more synchronous-looking syntax for working with Promises.
The function throws an error, which can be caught using try/catch or handled via .catch().
Yes, but it’s generally discouraged as it reduces the clarity of your code.
No, it offers better readability but operates at the same performance level as Promises.
Yes, but for independent operations, it’s better to use Promise.all() to execute them concurrently.
It’s recommended for robust error handling but not mandatory.
Use AbortController for operations like fetch to implement cancellation.
A feature allowing await to be used outside async functions in supported environments.
