GM.openInTab
From GreaseSpot Wiki
Description
This method opens the specified URL in a new tab.
Syntax
function GM.openInTab( url, open_in_background )
Compatibility: Greasemonkey 4.0+
Arguments
url
String
The URL to navigate the new tab to.open_in_background
Boolean
Optional: force tab to/to not open in a background tab. Default (unspecified) behavior honors Firefox configuration.
Returns
undefined
Examples
GM.openInTab("http://www.example.com/");