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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Returns a sidebar object, which contains several methods for registering add-ons with browser.

Example

window.sidebar.addPanel("Google", "https://www.google.com/", "");

Note: the third empty parameter is required!

Notes

The sidebar object returned has the following methods:

Method Description
addPanel(title, contentURL, customizeURL) Adds a sidebar panel. Obsolete since Firefox 23 (only present in SeaMonkey). See Creating a Firefox sidebar for details on sidebars in Firefox 2 and later.
addPersistentPanel(title, contentURL, customizeURL) Adds a sidebar panel, which is able to work in the background. This only works in SeaMonkey or Firefox 1.x; Firefox 2 and later will just do addPanel(). Obsolete since Firefox 23 (only present in SeaMonkey).
AddSearchProvider(descriptionURL) Installs a search provider (OpenSearch). Adding OpenSearch search engines contains more details.Added in Firefox 2.
addSearchEngine(engineURL, iconURL, suggestedTitle, suggestedCategory) Obsolete since Gecko 44 Installs a search engine (Sherlock). Adding Sherlock search engines contains more details.
addMicrosummaryGenerator(generatorURL) Obsolete since Gecko 6 Installs a microsummary generator.
IsSearchProviderInstalled(descriptionURL) Indicates if a specific search provider (OpenSearch) is installed.

Specification

Mozilla-specific. Not part of any standard.

Document Tags and Contributors

 Last updated by: IsaacSchemm,