Question 19
The class "active" will only be applied to the div element if the variable "isActive" evaluates to true.
The class "disabled" will be applied to the div element when the variable "isEnabled" evaluates to false.
The class "text-bold" will always be applied to the div element regardless of the "hasBoldText" variable value.
All three classes ("active", "text-bold", "disabled") will always be applied to the div element.
If "isEnabled" is undefined, the "disabled" class will not be applied to the div element.
The class "text-bold" will only be applied if the variable "hasBoldText" exists and evaluates to a truthy value.