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Performance best practices in extensions - Extensions One of Firefox's great advantages is its extreme extensibility. Extensions can do almost anything. There is a down side to this: poorly written extensions can have a severe impact on the browsing experience, including on the overall performance of Firefox itself. This article offers some best practices and suggestions that can not only improve the performance and speed of your extension, but also of Firefox itself.

Extensions - MDN Docs Modify and extend Mozilla applications Add-ons add new functionality to Gecko-based applications such as Firefox, SeaMonkey, and Thunderbird. There are two main types of add-on: Extensions add new features to the application, while Themes modify the application's user interface. Add-ons can greatly affect the behavior of the application that hosts them. We've developed a set of guidelines to help ensure that they provide a good experience to users. These guidelines apply for all sorts of add-ons, whether they are hosted at addons.mozilla.org or not.

WinZip - Support Our support pages are the quickest way to find answers to your questions. Can't find what you're looking for? Try a search for keywords in your inquiry. How to build an XPCOM component in Javascript If you are looking for Add-on SDK solution for XPCOM JavaScript components then check out platform/xpcom module first. This is a "Hello World" tutorial for creating an XPCOM component in JavaScript. This tutorial does not describe how and why XPCOM works the way it does, or what every bit of the example code does. That's been detailed elsewhere. This tutorial will show you what you need to do to get a component working in as few and as simple steps as possible.

JavaScript - MDN Docs JavaScript (JS) is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat. JavaScript is a prototype-based, multi-paradigm, dynamic language, supporting object-oriented, imperative, and declarative (e.g. functional programming) styles. Profiles - Where Firefox stores your bookmarks, passwords and other user data All of the changes you make in Firefox, like your home page, what toolbars you use, extensions you have installed, saved passwords and your bookmarks, are all stored in a special folder, called a profile. Your profile folder is stored in a separate place from the Firefox program so that, if something ever goes wrong with Firefox, your information will still be there. It also means you can uninstall Firefox without losing your settings and you don't have to reinstall Firefox to clear your information or troubleshoot a problem.

Building a Thunderbird extension 4: chrome manifest - Extensions The file called chrome.manifest tells Thunderbird what packages and overlays are provided by the extension. Open the file called chrome.manifest that you created and add this code: content myfirstext chrome/content/ content specifies the type of material in the package myfirstext is the name of the chrome package (specified in the first segment of <em:id> in the install.rdf file chrome/content/ is the location of the package's files within the chrome namespace

Manifest Files - MDN Docs In this section, we'll see how to put chrome and XUL files into a package and create the manifest files for them. Packages A package is a set of XUL files and scripts that define the functionality of a user interface. Packages may be installed into Mozilla and referenced with chrome URLs. WinZip Express Add-Ons WinZip Express Add-Ons are like adding a WinZip dialog to your everyday software, giving you instant access to WinZip's most-used features. With just a few clicks, zip, encrypt, share by email, cloud services and IM, and more. All add-ons require a registered, installed version of WinZip 18 or later. WinZip Express Add-Ons are not compatible with Windows XP. WinZip® Express for Outlook®

Adding items to menus From MozillaZine Knowledge Base Note: Information in this section applies to Mozilla Suite, Firefox and Thunderbird and other XUL-based applications. When I say Mozilla, I mean one of these three applications. This tutorial describes steps necessary to add a static or a dynamic menu item to Mozilla from an extension. It's created for beginner extension developers; if you're a user, you probably want to search for existing extensions that do what you need.

Setting up an extension development environment - MDN Docs This article gives suggestions on how to set up your Mozilla application for extension development. Unless otherwise specified, these suggestions apply to both Firefox and Thunderbird as well as SeaMonkey version 2.0 and above. Overview Create a development user profile to run your development firefox session; with special development preferences in about:config.

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