Five — Anne’s Blog
4 February 2018 Five years at Mozilla today. I’m very humbled to be able to push the web forward with so many great people and leave a tiny imprint on web architecture and the way the web platform gets standardized. Being able to watch from the sidelines as more people are empowered to be systems programmers and as graphics for the web is reinvented is hugely exciting. It’s a very tough competitiv
Testing standards — Anne’s Blog
13 November 2017 At a high level, standards organizations operate in similar ways. A standard is produced and implementations follow. Taking a cue from software engineering, WHATWG added active maintenance to the mix by producing Living Standards. The idea being that just like unmaintained software, unmaintained standards lead to security issues and shaky foundations. The W3C worked on test suites
MIME type interoperability — Anne’s Blog
6 October 2017 In order to figure out data: URL processing requirements I have been studying MIME types (also known as media types) lately. I thought I would share some examples that yield different results across user agents, mostly to demonstrate that even simple things are far from interoperable: text/html;charset =gbk text/html;charset='gbk' text/html;charset="gbk"x text/html(;charset=gbk text
Browser differences in IDNA ToASCII processing between ASCII and non-ASCII input — Anne’s Blog
Browser differences in IDNA ToASCII processing between ASCII and non-ASCII input 13 February 2017 At the moment the URL Standard passes the domain of certain schemes through the ToASCII operation for further processing. I believe this to be in line with how the ToASCII operation is defined. It expects a domain, whether ASCII or non-ASCII, and either returns it normalized or errors out. Unfortunate
Standards on GitHub — Anne’s Blog
13 October 2016 A couple years ago I wrote Contributing to standards and it is worth noting how everything has gotten so much better since then. Basically all due to GitHub and standards groups such as TC39, WHATWG, and W3C embracing it. You can more easily engage with only those standards you are interested in. You can even subscribe to particular issues that interest you and disregard everything
webrender — Anne’s Blog
12 August 2016 Andrew pointed out webrender yesterday. A new rendering technology for CSS from the folks that are reinventing C++ with Rust and browsers with Servo. There is a great talk about this technology by Patrick Walton. It is worth watching in its entirety, but 26 minutes in has the examples. The key insight is that using a retained mode approach to rendering CSS is much more efficient tha
HTML components — Anne’s Blog
29 April 2016 Hayato left a rather flattering review comment to my pull request for integrating shadow tree event dispatch into the DOM Standard. It made me reflect upon all the effort that came before us with regards to adding components to DOM and HTML. It has been a nearly two-decade journey to get to a point where all browsers are willing to implement, and then ship. It is not quite a glacial
Firefox OS is not helping the web — Anne’s Blog
13 January 2016 Mozilla has been working on Firefox OS for quite a while now and ever since I joined I have not been comfortable with it. Not the high-level goal of turning the web into an OS, that seems great, but the misguided approach we are taking to get there. The problem with Firefox OS is that it started from an ecosystem parallel to the web. Packaged applications written using HTML, JavaSc
Update on standardizing shadow DOM and custom elements — Anne’s Blog
28 July 2015 There has been revived interest in standardizing shadow DOM and custom elements across all browsers. To that end we had a bunch of discussion online, met in April to discuss shadow DOM, and met earlier this month to discuss custom elements (custom elements minutes). There is agreement around shadow DOM now. host.attachShadow() will give you a ShadowRoot instance. And <slot> elements c
Fetching URLs — Anne’s Blog
23 May 2013 There are a ton of features in the web platform that take a URL. (As the platform is build around URLs, that makes a ton of sense, too.) XMLHttpRequest, <img>, background-image, <script>, @font-face, … The semantics around obtaining a resource from such a URL however are not very well defined. Are redirects followed? What if the server uses HTTP authentication? What if the server retur
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Using GitHub — Anne’s Blog