Found 42 results for “localStorage”
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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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Overscripted! Digging into JavaScript execution at scale
We set out to explore the unseen or non-obvious JavaScript execution events that are triggered when a user visits a webpage, and all the first- and third-party events that are set in motion when people retrieve content. To help enable more exploration and analysis, we are releasing our full set of data about JavaScript executions. This post introduces the dataset, how it was collected, and the decisions made along the way. We’ll share examples of insights discovered and provide information for participating in the associated Overscripted Web: A Mozilla Data Analysis Challenge, which we’ve launched today with Mozilla’s Open Innovation Team.
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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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Developer Edition Devtools Update: Now with Photon UI
An update on all the changes and improvements to Firefox Dev Tools available now in the Firefox Quantum Developer Edition release. Beginning with the brand-new logo and new Photon UI, the DevTools suite is faster and more responsive to developer needs - including improvements to the Inspector, Console, Debugger, and Network Monitor.
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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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From game jam to mobile and Firefox OS
I love participating in game jams, where game developers get together to craft games in a very short amount of time. I thought it would be cool to take one of my past Game Jam games, Metal vs Hipsters, and port it to the mobile web and Firefox OS. Adapting to mobile My starting point […]
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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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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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Creating a mobile app from a simple HTML site: Part 4
How to polish your app and prepare it for market In previous sections of this step-by-step series (Part 1, Part 2, and Part 3) we’ve created an app that loads multiple school plans from the server. What we have so far is functional, but still has a number of issues, including two which are major: […]
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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. […]