Moduli di codice JavaScript

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JavaScript code modules let multiple privileged JavaScript scopes share code. For example, a module could be used by Firefox itself as well as by extensions, in order to avoid code duplication.

General topics Using JavaScript code modules An introduction to how to use JavaScript code modules. Component.utils.import How to import a JavaScript code module. Component.utils.unload How to unload a JavaScript code module. Code snippets: Modules Examples of how to use code modules. Mozilla Labs JS Modules This page features a list of JS modules, along with download links and documentation, that extension developers can use in their code.

Standard code modules ctypes.jsm Provides an interface that allows JavaScript code to call native libraries without requiring the development of an XPCOM component. FileUtils.jsm Provides helpers for dealing with files. Geometry.jsm Provides routines for performing basic geometric operations on points and rectangles. ISO8601DateUtils.jsm Provides routines to convert between JavaScript Date objects and ISO 8601 date strings. Dict.jsm Provides an API for key/value pair dictionaries. NetUtil.jsm Provides helpful networking utility functions, including the ability to easily copy data from an input stream to an output stream asynchronously. PopupNotifications.jsm Provides an easy way to present non-modal notifications to users. openLocationLastURL.jsm Provides access to the last URL opened using the "Open Location" option in the File menu. DownloadLastDir.jsm Provides the path to the directory into which the last download occurred. PluralForm.jsm Provides an easy way to get the correct plural forms for the current locale, as well as ways to localize to a specific plural rule. Services.jsm  Provides getters for conveniently obtaining access to commonly-used services. XPCOMUtils.jsm Contains utilities for JavaScript components loaded by the JS component loader. PerfMeasurement.jsm Provides access to low-level hardware and OS performance measurement tools. AddonManager.jsm Interface to install, manage, and uninstall add-ons. AddonRepository.jsm Allows searching of the add-ons repository.