GM.getValue: Difference between revisions

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== Description ==
== Description ==


Retrieve a value set with [[GM_setValue]]. Values are saved in the [[http://developer.mozilla.org/en/docs/Code_snippets:Preferences|Firefox preferences]] back end and can be changed by typing <code>about:config</code> in the address bar and searching for the preference name "greasemonkey.scriptval.''script-namespace''/''script-name''.
Retrieve a value set with [[GM_setValue]]. Values are saved in the [http://developer.mozilla.org/en/docs/Code_snippets:Preferences|Firefox preferences] back end and can be changed by typing <code>about:config</code> in the address bar and searching for the preference name "greasemonkey.scriptval.''script-namespace''/''script-name''.


If the value is not found, default is returned instead.
If the value is not found, default is returned instead.

Revision as of 02:47, 23 September 2007

Template:Underscore

Syntax

GM_getValue(' name, default ')

Description

Retrieve a value set with GM_setValue. Values are saved in the preferences back end and can be changed by typing about:config in the address bar and searching for the preference name "greasemonkey.scriptval.script-namespace/script-name.

If the value is not found, default is returned instead. If default is not supplied, undefined is returned.

Examples

alert(GM_getValue("foo"));

See also