Found 42 results for “localStorage”
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Firefox: 46 features you might not know about
Ever since the release of Firefox 3 we’ve been doing a lot of work to add new capabilities for web developers. We thought it would be worth it to make a post that actually listed all of the features that we knew about and people might not know about. This contains everything that we’ve done […]
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Getting started with Open Web Apps – why and how
We’ve been talking a lot about Open Web Apps, Firefox OS and more here lately, and I wanted to cover both how to get started, and, maybe more importantly, why. Why a web app? If we look at the climate for mobile development, it has usually come down to a choice where developers had to […]
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Introducing State Partitioning
State Partitioning is the technical term for a new privacy feature in Firefox called Total Cookie Protection, which will be available in ETP Strict Mode in Firefox 86. This article shows how State Partitioning works inside of Firefox and explains what developers of third-party integrations can do to stay compatible with the latest changes.
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An overview of Containers for add-on developers
Containers work by giving users the ability to place barriers on the flow of data across sites by isolating cookies, indexedDB, localStorage, and caches within discrete browsing contexts. This in-depth introduction to Containers and Container extensions explores the capabilities of Containers and contextual identity for developers.
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Optimizing your JavaScript game for Firefox OS
When developing on a quad core processor with 16 gigabytes of RAM you can easily forget to consider how it will perform on a mobile device. This article will detail some best practices and things to consider for moving a game to Firefox OS or any similar hardware target. Making the best of 256 Mb […]
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Containers Come to Test Pilot
The Containers feature in Firefox Nightly gives users the ability to place barriers on the flow of data across sites by isolating cookies, indexedDB, localStorage, and caches within discrete browsing contexts. After running the Containers UI through successive rounds of user research and UX iteration, we’ve launched a Containers experiment in Firefox Test Pilot in order to widen the audience for Containers, iterate on the UI, and reason about the future of the feature.
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Build an HTML5 game—and distribute it
Last year, Mozilla and Humble Bundle brought great indie titles like FTL: Faster Than Light, Voxatron, and others to the Web through the Humble Mozilla Bundle promotion. This year we plan to go even bigger with developments in JavaScript such as support for SIMD and SharedArrayBuffer. Gaming on the Web without plugins is great; the […]
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Firefox OS Simulator 4.0 released
It’s a good day for Firefox OS developers as we are releasing version 4.0 of the Firefox OS Simulator to the masses. In particular, this release is a boon for those developers that want to make money using their app in the Marketplace. What’s New in 4.0 An overview shot of the revised Dashboard New […]
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Porting Chrome Extensions to Firefox with WebExtensions
After reading last month’s “Let’s Write a Web Extension,” I was inspired to try and port a real-world add-on to a WebExtension. Specifically, I tried to port the Chrome version of the popular, open-source “Reddit Enhancement Suite” (RES) to Firefox. Here’s what I learned, and what you can do today to prepare your own add-ons […]
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Open Web Apps feedback: Consolidating our channels
In August 2014 we announced the opening of a new feedback channel for web apps on UserVoice. It has led to some good discussions and here are a few highlights: This post showed the importance of the nascent FileSystem API. A suggestion about background services reinforced the need for something like the proposed BackgroundSync API. […]