A function that does something with an attribute that belongs to a specific
namespace. Could be used to add extra functionality to the parser, such as
adding attributes that change a widget's options object, or add event
listeners after the widget is instantiated.
A function that does something with an attribute that belongs to a specific namespace. Could be used to add extra functionality to the parser, such as adding attributes that change a widget's options object, or add event listeners after the widget is instantiated.