Personal blog about React and JavaScript
333 Articles from this blog
A beginner's guide to Deno, a secure JavaScript/TypeScript runtime, covering its benefits and how to start using it.
Learn how to implement Lodash's countBy function in vanilla JavaScript using the reduce method to group and count objects by property.
Learn how to implement a groupBy function in vanilla JavaScript using the reduce method, without needing Lodash.
Learn two methods to replace all occurrences of a string in JavaScript: using regex with global flag and the newer replaceAll function.
An introduction to callback functions in JavaScript, explaining how they are passed as arguments and executed within other functions.
A guide to creating and using custom error classes in JavaScript for both new errors and third-party errors.
Explores methods for handling errors in JavaScript async/await functions without using bulky try/catch blocks.
A guide on how to derive state from props in React function components, including code examples for initializing and updating state.
Explains how to implement computed properties (derived state) in React using useState and sorting examples.
A tutorial on managing JavaScript arrays in React state, covering common operations like adding, updating, and removing items.
Learn how to use GraphQL to programmatically create pages and manage data in your Gatsby.js projects.
A tutorial on updating items in a React list using state management, including useState and useReducer hooks.
A tutorial on adding items to a list in React using the useState Hook and controlled input fields.
A tutorial on removing items from a list in React using state management and the filter method.
A guide exploring various CSS styling strategies for React applications, including CSS-in-CSS, CSS-in-JS, and utility-first approaches.
A tutorial on connecting a MongoDB database to an Express.js application using Mongoose as the Object-Relational Mapping (ORM) library.
A tutorial on building a REST API using Express.js and MongoDB, covering CRUD operations and database integration.
A step-by-step tutorial for installing and setting up MongoDB on MacOS using Homebrew, including directory creation and permissions.
A step-by-step tutorial explaining the React useRef Hook, its mutable object properties, and how it differs from state.
A step-by-step tutorial for installing and setting up PostgreSQL on MacOS using Homebrew, including database creation and server management.
