JSObjectGetPropertyForKey(_:_:_:_:)

Declaration

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

Parameters

• ctx:

  The execution context to use.

• object:

  The Jsobjectref with the property you want to get.

• 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

The property’s value if object has the property key; otherwise, the undefined value.

Discussion

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

See Also

Working with Objects

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