Removes an action associated with a specific key.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 3.0+
A string that uniquely identifies an action.
If an action is found that matches the key, it is removed from the node.
Returns a Boolean value that indicates whether the node is executing actions.
var speed: CGFloat
A speed modifier applied to all actions executed by a node and its descendants.
var isPaused: Bool
A Boolean value that determines whether actions on the node and its descendants are processed.