Symbols 3/3
Accessing the Description of the Symbol()
We can access the description of the symbol by calling the .description method.
12let firstName = Symbol('Michael'); console.log(firstName.description);
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Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.
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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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Accessing the Description of the Symbol()
We can access the description of the symbol by calling the .description method.
12let firstName = Symbol('Michael'); console.log(firstName.description);
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.
Løsning
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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