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Android offers a built-in WebView, which applications can hook into in order to display web pages within the context of their app. However, Android’s WebView is not really intended for building browsers, and hence, many advanced Web APIs are disabled. Furthermore, it is also a moving target: different phones might have different versions of WebView, all of which your app has to support. That is wh

The Snippets Service allows Mozilla to communicate with Firefox users directly by placing a snippet of text and an image on their new tab page. Snippets share exciting news from the Mozilla World, useful tips and tricks based on user activity and sometimes jokes. To achieve personalized, activity based messaging in a privacy respecting and efficient manner, the service creates a Bundle of Snippets

This page tracks Mozilla's positions on open Web and Web-related specifications submitted to standards bodies like the IETF, W3C, and Ecma TC39. Please remember, this isn't a commitment to implement or participate; it's just what we think right now. See dev-platform to find out what we're implementing. Want Mozilla's position on a specification? Find out more. legend The possible positions are: po

Templating This is an overview of the templating features available in Nunjucks. Nunjucks is essentially a port of jinja2, so you can read their docs if you find anything lacking here. Read about the differences here. User-Defined Templates Warning nunjucks does not sandbox execution so it is not safe to run user-defined templates or inject user-defined content into template definitions. On the se

Building and Deploying a Rust library on Android Following on from the last post on getting a Rust library building on iOS, we’re now going to deploy the same library on Android. In order to do Android development, we’ll need to set up our Android environment. First we need to install Android Studio. Once Android Studio is installed, we’ll need to install the NDK (Native Development Kit). Open And

Here’s what happened on the MozMEAO SRE team from October 3rd - October 17th. Current work MDN Migration to AWS MDN is now running in AWS on Kubernetes. Our migration project has been closed, and a new post-migration project has been opened. Migration work Implement monitoring for MDN included in this issue are New Relic setup, Datadog Redis queue monitoring, and Deadmanssnitch backup cronjob moni

Building and Deploying a Rust library on iOS First, we have to install Xcode and then set up Xcode build tools. If you already have the build tools installed and they are up to date, you can skip this step. Next, we need to ensure that Rust is installed and that we can cross compile to the iOS architectures. For this we will be using rustup. If you already have rustup installed, you can skip this

Find a Compatible Alternative to your Firefox Legacy Extension Following are recommended replacements for legacy extensions that have suitable alternatives. There is one replacement per legacy extension that our editorial staff selected. If you are looking for more than one alternative, please ask the community. Why doesn't Firefox Quantum support legacy extensions? | Browse all compatible extensi

Firefox Browser Architecture Mission Change Mozilla. Investigate big technical challenges and produce engineering programs to address them. Our Conclusions This is a list of our findings that we’re reasonably happy with so far. Documenting our output looks at how we’re going to communicate with the rest of Mozilla. Extracting Necko considers whether it’s feasible or worthwhile to extract Necko — G

About Speedometer About Speedometer Speedometer measures simulated user interactions in web applications. The current benchmark uses TodoMVC to simulate user actions for adding, completing, and removing to-do items. Speedometer repeats the same actions using DOM APIs — a core set of web platform APIs used extensively in web applications — as well as six popular JavaScript frameworks: Ember.js, Bac

Fira Sans Hair The quick brown Firefox jumps over the lazy dog. abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890!@#$%^&*()`~{}[]+=:;'"‘’“” UltraLight Light Regular Medium SemiBold Bold ExtraBold Heavy Fira Mono Regular Medium Bold Fira on GitHub

Deploy Offline Web Apps to GitHub Pages Fork on GitHub Discover on npm Oghliner Oghliner is a Node tool to deploy Offline Web Apps to GitHub Pages. Offline Web Apps are web apps that cache their files (HTML, JavaScript, CSS, images, etc.) on the client, so they work even when your network doesn't. GitHub Pages is a simple host for static files. Oghliner offlines an app by generating a Service Work

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"use strict"; function f(n){ if (n <= 0) { return "foo"; } return g(n - 1); } function g(n){ if (n <= 0) { return "bar"; } return f(n - 1); } return f(1e6) === "foo" && f(1e6+1) === "bar";

You've been looking for a more sophisticated templating engine for JavaScript. Here it is. Rich Powerful language with block inheritance, autoescaping, macros, asynchronous control, and more. Heavily inspired by jinja2 Fast & Lean High-performant. Small 8K gzipped runtime with precompiled templates in the browser Extensible Crazy extensible with custom filters and extensions Everywhere Available i

Mozilla SSL Configuration Generator Redirecting to the updated SSL Configuration Generator…

Mozilla SSL Configuration Generator Redirecting to the updated SSL Configuration Generator…

ScanJS Scan Rules Experiment

You've been looking for a more sophisticated templating engine for JavaScript. Here it is. Rich Powerful language with block inheritance, autoescaping, macros, asynchronous control, and more. Heavily inspired by jinja2 Fast & Lean High-performant. Small 8K gzipped runtime with precompiled templates in the browser Extensible Crazy extensible with custom filters and extensions Everywhere Available i

localForage is a handy library that improves the offline experience of your web app by using asynchronous storage (via IndexedDB or WebSQL where available) but with a simple, localStorage-like API. localForage includes a localStorage-backed fallback store for browsers with no IndexedDB or WebSQL support. This means that asynchronous storage is available in Chrome, Firefox, and Safari (including Sa

About mozregression mozregression is an interactive regression range finder for Firefox and other Mozilla products. It uses a binary search algorithm for quickly determining a changeset range corresponding to when a problem was introduced. Currently, mozregression can work with: firefox - default thunderbird fennec (Firefox for Android) fenix (Firefox for Android) To get a feel for how mozregressi

Fira Sans Hair The quick brown Firefox jumps over the lazy dog. abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890!@#$%^&*()`~{}[]+=:;'"‘’“” UltraLight Light Regular Medium SemiBold Bold ExtraBold Heavy Fira Mono Regular Medium Bold Fira on GitHub

What is Brick? Brick is a bundle of reusable UI components created to enable rapid development of HTML5 apps. Brick adds new HTML tags- allowing developers to express the structure of an application in a clearer, more concise manner. What are Web Components? Web Components is a series of emerging W3C standards that allow developers to define custom HTML elements, and interact with them using the n

Shumway is an HTML5 technology experiment that explores building a faithful and efficient renderer for the SWF file format without native code assistance. Try it out! Install the latest Shumway extension. (Read more about configuring the extension). Examples (via Shumway Inspector): Racing (AS2) (as in live demo) and Racing (AS3) Tiger (AS3) Pacman (AS2) and Pacman (AS3) Box2D (AS3) MP3 Player (AS