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.
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Developer Central JavaScript
Stack and Queue in JavaScript
Learn about two important data structures—stack and queue—and how to implement them in JavaScript.January 07, 2021 -
Developer Central JavaScript
Concurrent Mode in React
Learn about concurrent mode in React, and how this set of features will help to create more fluid and responsive applications.January 04, 2021 -
Developer Central JavaScript Web
Skeleton Screens for React Apps
Let’s learn why skeleton screens (wireframe previews) are a better load indicator than the usual old spinners, and then look at how to add them.December 07, 2020 -
Developer Central JavaScript Web
Next-Level React Performance
We're going to learn some techniques and APIs to improve user experience and remove performance problems to take our React apps to the next level.December 04, 2020 -
Developer Central
Big O Notation
Learn more about Big O Notation, a mathematical process that we can use to measure the performance and complexity of an algorithm.November 13, 2020