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LogoJuan Manuel Allo Ron

Js posts

Js posts by Juan Manuel Allo Ron
A typical loading sequence for a web page

What's all the hype about React Server Components?

Jan 7, 2021
A couple of weeks ago the React team announced React Server Components. In this article today I will explain what it is, why they came up with this strategy and how to get prepared for it.
A pattern formed with the null word

Tip: Watch out for null in default params

Jun 4, 2020
Defaults in function parameters is a feature that simplified my code a lot. But there is one caveat that we need to be aware of! Let’s start with an example:
Image Slideshow example

Lazy loading images with Intersection Observer

May 26, 2020
Images play a huge role in loading performance. Websites loading tons of images upfront can be paying a high price in terms of user experience…

Weekly Digest #10: On Remix, Snowpack, Rome and Web-vitals

May 24, 2020
The never ending flow of innovation is what I love about the web. There are so many great ideas! In the past few months a lot of innovation happened and in this weekly digest I want to share the most important ones.

Weekly Digest #9: Everything you need to know about Deno

May 17, 2020
Deno is a new ECMAScript based runtime (like NodeJS) created by Ryan Dahl (who also created NodeJS)

Weekly Digest #8: On building games

May 10, 2020
Today, I want to share a list of resources I have been bookmarking to help me develop games.
A book cover with JS books as the title

Weekly Digest #7: On Javascript books

May 3, 2020
Whether you are learning JS from scratch or have been working with it for a while now, I believe you will find great value on the following list of books.
Two employees testing a web app

Thoughts on Snapshot Testing

Apr 14, 2020
Since I moved to react at work I have been using and trying different testing strategies and I wanted to share some thoughts and best practices around snapshot testing.

Weekly Digest #1

Mar 22, 2020
Best practices on JavaScript modularity: when to use named exports, how to group code and what to avoid. Check JavaScript Module Best Practices.

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