Symbols 3/3
Accessing the Description of the Symbol()
We can access the description of the symbol by calling the .description method.
let firstName = Symbol('Michael'); console.log(firstName.description);
Uppgift
Swipe to start coding
Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.
Lösning
Summary
- Symbol is a primitive data type that is used to create a unique identifier.
- We use the global
Symbol()function to create symbols. - We can provide a
descriptionto aSymbol()function as an optional argument. - The description of the symbol can be accessed through the
.descriptionproperty.
Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedanVar allt tydligt?
Tack för dina kommentarer!
