You are developing a custom tooltip control that inherits from an existing WinJS tooltip control. The
custom control overrides the open ( ) method of the base control to extend the functionality. The
following code segment depicts the structure of the method override.
Open: function (type) {
}
You need to ensure that the base method executes at the start of the override. Which code segment
should you use to call the base method?
A.
this.base.open ( ) ;
B.
this .super.open ( ) ;
C.
base.open( ) ;
D.
this.prototype.open( );