ponyfoo.com

Nicolás Bevacqua

Founder. Wrote 183 articles for Pony Foo. Tweets as @nzgb.
  1. Variables declared using const are not immutable

    Using const only means that the variable will always have a reference to the same object or primitive value, because that reference can’t change.

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    2 minute read
  2. Content-Security-Policy in Express apps

    The Content-Security-Policy header is a bit frightening — will I break my website if I suddenly start blocking requests for external resources? In this article we go over a gradual approach to adopting CSP. 🔐

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    15 minute read
  3. The JavaScript Standard

    JavaScript has gone from being a marketing ploy to gain a tactical advantage, to becoming the core programming experience in the world’s most widely used application runtime platform. Where to, next?

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    11 minute read
  4. Let’s use const! Here’s why.

    When reading a piece of code, others can take cues from these signals in order to better understand what we did. ES6 offers let and const as new flavors of variable declaration, are they better signals than var?

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    10 minute read
  5. Fourth Year in Review

    Another year, another review of how Pony Foo did in its latest twelve months online!

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    6 minute read
  6. Thousands of Color-coded Visualizations in React

    For the past few days I’ve been working on a data visualization that displays Elasticsearch node distribution across different cloud instances and zones.

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    19 minute read
  7. Announcing Practical ES6 📚
    — and the Modular JavaScript Book Series!

    Practical ES6 is the first book in a 📚 series I’m dubbing Modular JavaScript, which aims to be a comprehensive, freely available, and open set of books with the mission of improving our collective understanding of modular JavaScript.

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    21 minute read
  8. Modular JavaScript launches in a week! 🚀

    Modular JavaScript is an open effort to improve our collective understanding of writing robust, well-tested & modular applications. It is launching very soon.

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    7 minute read
  9. JavaScript Asynchronous Iteration Proposal

    There’s a proposal in the works to simplify asynchronous iteration even further.

    The Asynchronous Iteration proposal is already in stage 2 and being heavily worked …

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    4 minute read