Posts about Open Source

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Bocoup & Open Standards: A (Very Full) Year in Review

We’ve had a very productive year making web standards more open, predictable, and inclusive. As our standards liaison, my job is to spot opportunities for us to do that work externally, and to see where more support is needed. We still have a lot to do, but it’s nice to reflect on our accomplishments over […]

Launching Test262 Results on MDN Web Docs

We are excited to announce support for report embedding on test262.report, along with a new MDN collaboration to bring up-to-date information about ECMAScript feature conformance to MDN Web Docs. Starting today, you can view test results from Test262 Report, updated daily and embedded directly on MDN pages for the newest ECMAScript features where interoperability and […]

Contributing to the ARIA Authoring Practices Guide

We believe that inclusivity and accessibility are of utmost importance to the open web platform. One of the ways that we empower the full diversity of Internet users is by ensuring that those with permanent disabilities and temporary limitations, can browse websites with assistive technologies. Writing accessible code improves the experience of browsing a website […]

Porting Scratch from Flash to JavaScript: Performance, Interoperability and Extensions

Last year we formed a team focused on using the growing number of new web APIs to build multimedia applications that push the edge of the web platform. Our main work in this area over the last 2 years has been with the wonderful team behind Scratch at MIT’s Lifelong Kindergarten Group (LLK), and with […]

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Charting Web Platform Interoperability in 2018

Bocoup has been a long-time contributor to the Web Platform Tests (WPT) project, helping spec writers draft testable specs and helping browser implementers test features for correctness and interoperability based on those specs. In 2018, we’ve made great strides improving the coverage of WPT, the ergonomics of writing and running tests, and the infrastructure necessary […]

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Announcing Test262 Report

Today we’re launching Test262 Report to provide JavaScript developers with up-to-date information on the state of new and existing language features across implementations. Test262 Report is based on daily runs of Test262, the ECMA-262 (“ECMAScript” or “JavaScript”) test suite, in nightly builds of JavaScript engines, and visualizes at-a-glance status of feature implementation progress. Taking a […]

So, You’d Like to Start an Open Source Project

Regular readers of this blog are no strangers to free and open source software. From Firefox to Brave, Node.js to OpenSSL, and jQuery to React (finally), today’s web developer can’t get very far at all without relying on “FOSS.” However, there is a huge difference between consuming FOSS and maintaining FOSS. The latter task is […]

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Ergonomic Testing with Webpack, Part One, File Resolving

This is part one in a series on the intersection of module bundlers and testing frameworks. Our focus will be webpack and jest but the techniques explored here can be reused with other tools as well. Modern websites and applications are routinely built by combining hundreds of small JavaScript modules. In order to increase the […]

The Many Faces of Functions in JavaScript

If you’ve had any contact with JavaScript code, you’re probably very familiar with how to define and call functions, but are you aware of of how many different ways you can define a function? This is a common challenge of writing and maintaining tests in Test262—especially when a new feature comes into contact with any […]

Moving Targets: A Case Study on Testing Web Standards

Recently, I had the opportunity to contribute to a massive, meaningful effort: the open-source Web Platform Tests (WPT) project. My task was to improve WPT test coverage for areas of the HTML specification dealing with navigation —things like the details of loading new web pages, browsing around the web, and opening new windows. I didn’t […]