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);
Opgave
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
description
to aSymbol()
function as an optional argument. - The description of the symbol can be accessed through the
.description
property.
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Sektion 3. Kapitel 29
single
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Symbols 3/3
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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);
Opgave
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
description
to aSymbol()
function as an optional argument. - The description of the symbol can be accessed through the
.description
property.
Var alt klart?
Tak for dine kommentarer!
Awesome!
Completion rate improved to 2Sektion 3. Kapitel 29
single