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A few examples rely on APIs that are only available in pre-release versions of Firefox. Where this is the case, the example declares the minimum version that it needs in the strict_min_version attribute of the browser_specific_settings key in the extension's manifest.json file.
26 lip 2024 · These experiments are a precursor to proposing new theme features for inclusion in Firefox. Experimentation is done by: creating a stylesheet that defines mappings between internal CSS selectors for Firefox UI elements and arbitrary CSS variables.
The core browser extension file and the source of truth for Extension.js asset generation. Extension.js supports all major fields for Manifest V2 and V3 across Chrome, Firefox, Edge, and other browsers. It processes the manifest fields and their associated files like HTML, JavaScript, CSS, icons, and JSON, ensuring they are treated as entry ...
26 sty 2017 · If you are wanting to access a file through typing it into the URL bar of the Firefox Browser UI, then you will need to obtain the UUID for the extension you desire. For WebExtensions, the mapping from extension ID to UUID is available from about:config in extensions.webextensions.uuids .
Use the theme key to define a static theme to apply to Firefox. If your manifest.json file includes the theme key, the extension is assumed to be a theme and any other WebExtension keys are ignored. If you want to include a theme with an extension, please see the theme API.
To illustrate how to use the WebExtension APIs, we maintain a repository of example extensions at https://github.com/mdn/webextensions-examples. This article describes how to run these examples and lists the examples along with the WebExtension APIs they demonstrate.
26 lip 2024 · Extensions for Firefox are built using the WebExtensions API cross-browser technology. The technology for extensions in Firefox is, to a large extent, compatible with the extension API supported by Chromium-based browsers (such as Google Chrome, Microsoft Edge, Opera, Vivaldi).
