Return the key (name) of the attribute this element represents
Add a label-element as child to this element
Workaround reconnection of clone
Creates the content of the element when connected the first time
Retrieves the values of picker and slider as ƒ.Mutator
Sets the values of color picker and slider
StaticgetRetrieve the element representing the given data type (if registered)
StaticregisterRegister map the given element type to the given tag and the given type of data
Optional_typeObject: ObjectConstructor
A color picker with a label to it and a slider for opacity