โš ๏ธ Handling Errors with Fetch API in JavaScript

Handling errors in Fetch API JavaScript using try-catch blocks and checking HTTP response statuses for better error management.

When working with the Fetch API in JavaScript, you often need to handle potential errors to ensure a smooth user experience. ๐Ÿ’ป In this post, weโ€™ll dive into the importance of handling errors with Fetch API, how to identify common errors, and best practices for preventing them. ๐Ÿ’ก What Is Fetch APIโ‰๏ธ Before we jump into error handling, let’s quickly recap what the Fetch API is. Itโ€™s a modern JavaScript API used to make asynchronous HTTP requests. With fetch(), you can request data from a server, perform operations, and display the results on your webpage. Fetch is more flexible and powerful than its predecessor, XMLHttpRequest, making it ideal for todayโ€™s web development needs. ๐Ÿš€ However, just like any API, itโ€™s […]

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๐Ÿ“ก Mastering the Fetch API JavaScript: A Complete Guide

"Fetch API JavaScript tutorial with code example and tips on making GET requests."

In modern web development, making API requests is essential, whether youโ€™re working with third-party services, retrieving data from a database, or sending user information. ๐ŸŒ๐Ÿ“ก One of the most popular ways to interact with APIs in JavaScript is through the Fetch API. If youโ€™ve been curious about how to make API requests in JavaScript, this post is for you! Learn how to use the fetch() function, handle ๐Ÿ“ฅ GETย and ๐Ÿ“ค POSTย requests, and deal with Promises and errors. ๐Ÿ“๐Ÿ’ก ๐Ÿ’ก What is the Fetch API in JavaScript โ‰๏ธ The Fetch API is a modern JavaScript feature that allows you to make network requests, such as retrieving data from APIs or sending data to a server. The fetch() function provides an easy-to-use […]

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๐Ÿงช JavaScript Test by Jest: Step-by-Step Guide

Guide on using JavaScript Test by Jest Framework, covering installation, writing tests, and mocking DOM elements.

๐Ÿ“ Step 1: What is Jest? Jest is a JavaScript testing framework designed to make it easy to write and run tests. It was developed by Facebook and is used in major applications like React, Node.js, Twitter, Spotify, and Airbnb. It is one of the most popular testing frameworks today due to its speed, simplicity, and ease of setup. Jest allows you to test JavaScript code without requiring a browser, making it perfect for both front-end and back-end testing. โ‰๏ธ How to Install Jest ๐Ÿ”ฐ To start using Jest in your project, follow these steps: Initialize your Node.js environment by running: npm init Install Jest by running: npm install –save-dev jest@26.6.3 After installation, verify that Jest is working by running: […]

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๐Ÿ”ฌ Software Testing Tutorial

Software Testing Tutorial with the models of TDD, BDD, and Red-Green-Refactor cycle with examples.

๐Ÿง‘โ€๐Ÿ’ป Testing Paradigms of Software Tests: TDD vs BDD There are different ways to build and test code, with some of the most common paradigms being Behavior-Driven Development (BDD) and Test-Driven Development (TDD). These approaches are widely used in software development and are often mentioned in job advertisements. In this tutorial, weโ€™ll focus on the TDD approach, but weโ€™ll also touch on BDD, as these paradigms are often used together. ๐Ÿงฉ Behavior-Driven Development (BDD) Behavior-Driven Development (BDD) is based on testing the expected outcome of an action. Itโ€™s a manual testing approach where we test the application by interacting with it and verifying if it behaves as expected. BDD extends the concept of user stories by adding Given, When, and […]

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๐Ÿค– Maintaining and Installing Node.js on Windows Machine

A step-by-step guide on installing Node.js on Windows with Volta.

๐ŸŽฏ Introduction JavaScript is a powerful language, often run in the browser to manipulate the DOM and add interactivity. However, when working with advanced JavaScript frameworks like React or tools like Jest for automated testing, it’s necessary to run JavaScript outside of the browser. This is where Node.js comes in. Node.js is an open-source JavaScript runtime that allows you to run JavaScript code in your development environment, independent of a browser. To take advantage of Node.js in your local environment and manage different versions of it (as required by various frameworks), you need to install Node.js and use a tool to manage multiple versions. In this post, weโ€™ll walk through the process of installing and maintaining Node.js on your Windows […]

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