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# JSClassAttribute

A JavaScript class attribute.

## Topics

### Constants

[`kJSClassAttributeNone`](/documentation/JavaScriptCore/kJSClassAttributeNone)

An attribute that specifies that a class has no special attributes.

[`kJSClassAttributeNoAutomaticPrototype`](/documentation/JavaScriptCore/kJSClassAttributeNoAutomaticPrototype)

An attribute that specifies that a class doesn’t automatically generate a shared prototype for its instance objects.


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