GM.getValue: Difference between revisions
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== Notes == | == Notes == | ||
<sup>[[GM_getValue#Syntax|[1]]]</sup> | <sup>[[GM_getValue#Syntax|[1]]]</sup> The <code>null</code> value should be <code>undefined</code> in prefmanager.js | ||
[[#Description|top]] | [[#Description|top]] | ||
[[Category:API_Reference|G]] | [[Category:API_Reference|G]] | ||
Revision as of 08:46, 7 December 2007
Description
This API method retrieves a value that is set with GM_setValue.
Values are saved in the Firefox preferences back end and can be manually changed by typing about:config in the address bar and searching for the preference name "greasemonkey.scriptval.script-namespace/script-name".
Syntax
GM_getValue( name, default )
- Value: Function
- Returns: String, Integer, Boolean or null[1]
- Compatibility: Greasemonkey 0.3b+
- All properties are optional except name.
Properties
name
- Value: String
- Usage:
name = "PropertyName";
- Property name to retrieve.
default
- Value: String, Integer or Boolean
- Usage:
default = 5;
- If name is not found, then use this property to return a default value.
- Note: Using this property does not call GM_setValue and is by design.
Examples
alert(GM_getValue("foo"));
See Also
Notes
[1] The null value should be undefined in prefmanager.js
