object you can use to install, manage, and control
Open Web Apps
in the browser.
method allows add-ons to determine whether or not a given resource is available.
Returns the window to the previous item in the history. This was a Gecko-specific method. Use the standard
Registers the window to capture all events of the specified type.
Prints messages to the (native) console.
is an extension to
. It behaves the same, except that it can optionally take one or more parameters past
itself is treated a little differently.
Releases the window from trapping events of a specific type.
Scrolls the document by the given number of lines.
Returns the maximum number of pixels that the document can be scrolled horizontally.