JSObjectHasPropertyForKey(_:_:_:_:)

Declaration

func JSObjectHasPropertyForKey(_ ctx: JSContextRef!, _ object: JSObjectRef!, _ propertyKey: JSValueRef!, _ exception: UnsafeMutablePointer<JSValueRef?>!) -> Bool

Parameters

• ctx:

  The execution context to use.

• object:

  The Jsobjectref to test.

• propertyKey:

  A Jsvalueref that contains the property key to use when looking up the property.

• exception:

  A pointer to a Jsvalueref to store an exception in, if any. Pass NULL to discard any exception.

Return Value

true if the object has a property with a name that matches propertyKey; otherwise, false.

Discussion

This function is the same as performing propertyKey in object from JavaScript.

See Also

Working with Objects

• JSObjectCallAsConstructor(_:_:_:_:_:)
• JSObjectCallAsFunction(_:_:_:_:_:_:)
• JSObjectCopyPropertyNames(_:_:)
• JSObjectDeleteProperty(_:_:_:_:)
• JSObjectGetPrivate(_:)
• JSObjectGetProperty(_:_:_:_:)
• JSObjectGetPropertyAtIndex(_:_:_:_:)
• JSObjectGetPrototype(_:_:)
• JSObjectHasProperty(_:_:_:)
• JSObjectIsConstructor(_:_:)
• JSObjectIsFunction(_:_:)
• JSObjectMake(_:_:_:)
• JSObjectMakeArray(_:_:_:_:)
• JSObjectMakeConstructor(_:_:_:)
• JSObjectMakeDate(_:_:_:_:)