Leonardo Maldonado

Leonardo is a full-stack developer, working with everything React-related, and loves to write about React and GraphQL to help developers. He also created the 33 JavaScript Concepts.

Web
Building a Blog With Next.js

Next.js may be the best React framework for building your blog. Among the benefits are performance, bundle size and SEO. Let’s build one!

by Leonardo Maldonado
January 11, 2022 Share
Productivity
Batching and Caching With Dataloader

In this article, we’re going to cover what Dataloader is and how it can help us with database requests and reduce our database costs.

by Leonardo Maldonado
December 31, 2021 Share
Web
Understanding Execution Context in JavaScript

One of the most important concepts of JavaScript is execution context. Let’s define global, function and eval execution contexts and see some examples.

by Leonardo Maldonado
December 29, 2021 Share
Web React
React Query—Fetching Data the Right Way

Let’s learn how to use React Query, which is a data-fetching library that uses a set of hooks to handle fetching for our React apps.

by Leonardo Maldonado
December 22, 2021 Share
Web
Operator Precedence in JavaScript

Operator precedence tells us the order of priority in which operations are evaluated. Let’s take a closer look.

by Leonardo Maldonado
December 21, 2021 Share