Question: in objc.h , there is definition for Class

```
typedef struct objc_class *Class;

typedef struct objc_object {

  Class isa;
} *id;

```

Case : use Class in NSObject :

```
/*************** Basic protocols  ***************/

@protocol NSObject

- (BOOL)isEqual:(id)object;
- (NSUInteger)hash;

- (Class)superclass;
- (Class)class;
- (id)self;

```

Hard to understand, so Class is just structure, not real class like NSObject etc. 

What is the real purpose of Class ?

Answer: 
This sets the French option:

```
$('.goog-te-combo').val("fr");

```
The following snippet will also set the fr option:

```
$('option[value="fr"]').attr({selected: 'true'});

```