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Mastering Asynchronous Error Handling with Promises in JavaScript

Learn How to Effectively Handle Errors in Asynchronous JavaScript Code Using Promises

Max N
3 min readMar 24, 2024

Asynchronous programming is a fundamental aspect of JavaScript, enabling developers to write non-blocking code that can perform tasks concurrently. However, managing errors in asynchronous code can be challenging due to its inherent nature.

In this guide, we’ll explore how to handle asynchronous errors gracefully using Promises in JavaScript, providing practical examples to help you become proficient in error handling.

Understanding Asynchronous Error Handling

In JavaScript, asynchronous operations such as fetching data from an API, reading files, or executing network requests are common tasks that often involve callbacks or Promises. When dealing with asynchronous code, errors can occur at any stage of the operation, making it essential to handle them effectively.

fetch("https://api.example.com/data")
.then(response => {
if (!response.ok) {
throw new Error("Failed to fetch data");
}
return response.json();
})
.then(data => {
console.log(data);
})
.catch(error => {
console.error("An error…

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Max N
Max N

Written by Max N

A writer that writes about JavaScript and Python to beginners. If you find my articles helpful, feel free to follow.

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