SP.UI.PopoutMenu.defaultLaunchRight property (sp.js)
Gets a value that indicates whether the direction of the menu text is left-to-right.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value =SP.UI.PopoutMenu.get_defaultLaunchRight()
Return value
Type: Boolean
true to indicate that the direction of the menu text is from left-to-right; otherwise, false.