Symbols 3/3
Accessing the Description of the Symbol()
We can access the description of the symbol by calling the .description method.
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let firstName = Symbol('Michael');
console.log(firstName.description);
12let firstName = Symbol('Michael'); console.log(firstName.description);
Tâche
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.
Solution
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let personName = Symbol('Name');
let personAdress = Symbol('Address');
console.log(personName.description);
console.log(personAdress.description);
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.
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Section 3. Chapitre 29
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