Articles
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Control your data for good with Rally
In a world where data and AI are reshaping society, people currently have no tangible way to put their data to work for the causes they believe in. To address this, we built the Rally platform, a first-of-its-kind tool that enables you to contribute your data to specific studies and exercise consent at a granular level. Mozilla Rally puts you in control of your data while building a better Internet and a better society.
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Tab Unloading in Firefox 93
Starting with Firefox 93, Firefox will monitor available system memory and, should it ever become so critically low that a crash is imminent, Firefox will respond by unloading memory-heavy but not actively used tabs. This feature is currently enabled on Windows and will be deployed later for macOS and Linux as well.
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MDN Web Docs at Write the Docs Prague 2021
The MDN Web Docs team is pleased to sponsor Write the Docs Prague 2021, which is being held remotely this year. We’re excited to join hundreds of documentarians to learn more about collaborating with writers, developers, and readers to make better documentation. We plan to take part in all that the conference has to offer, including the Writing Day, Job Fair, and the virtual hallway track.
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Time for a review of Firefox 92
Release time comes around so quickly! This month we have quite a few CSS updates, along with the new Object.hasOwn() static method for JavaScript.
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Spring cleaning MDN: Part 2
Last month we removed a bunch of content from MDN. MDN is 16 years old (and yes it can drink in some countries), all that time ago it was a great place for all of Mozilla to document all of their things. As MDN evolved and the web reference became our core content, other areas became less relevant to the overall site. We have ~11k active pages on MDN, so keeping them up to date is a big task and we feel our focus should be there.
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Hopping on Firefox 91
August is already here, which means so is Firefox 91! For developers, Firefox 91 supports the Visual Viewport API and Intl.DateTimeFormat object additions.
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How MDN’s autocomplete search works
Last month, Gregor Weber and Peter Bengtsson added an autocomplete search to MDN Web Docs, that allows you to quickly jump straight to the document you're looking for by typing parts of the document title. This is the story about how that's implemented.
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Spring Cleaning MDN: Part 1
As we’re all aware by now, we made some big platform changes at the end of 2020. Whilst the big move has happened, it’s given us a great opportunity to clear out the cupboards and closets.
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Getting lively with Firefox 90
As the summer rolls around for those of us in the northern hemisphere, temperatures are high and unwinding with a cool ice tea is high on the agenda. Isn't it lucky then that Background Update is here for Windows, which means Firefox can update even if it's not running. We can just sit back and relax! Also this release we see a few nice JavaScript additions, including private fields and methods for classes, and the at() method for Array, String and TypedArray global objects. This blog post just provides a set of highlights.
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Implementing Private Fields for JavaScript
When implementing a language feature for JavaScript, an implementer must make decisions about how the language in the specification maps to the implementation. Private fields is an example of where the specification language and implementation reality diverge, at least in SpiderMonkey– the JavaScript engine which powers Firefox. To understand more, I’ll explain what private fields are, a couple of models for thinking about them, and explain why our implementation diverges from the specification language.