[Method] Tests whether the passed Component matches the selector string
Ext.Component The Component to test.
String The selector string to test against.
boolean
Boolean true if the Component matches the selector.
[Method] Returns an array of matched Components from within the passed root object
String The selector string to filter returned Components
Ext.Container The Container within which to perform the query. If omitted, all Components within the document are included in the search. This parameter may also be an array of Components to filter according to the selector.
Ext.Component[] The matched Components.