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Lære Symbols 3/3 | Data Types and Variables
Introduction to JavaScript (staging)
course content

Kursusindhold

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
2. JavaScript syntax
3. Data Types and Variables

book
Symbols 3/3

Accessing the Description of the Symbol()

We can access the description of the symbol by calling the .description method.

12
let firstName = Symbol('Michael'); console.log(firstName.description);
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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 a Symbol() 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
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book
Symbols 3/3

Accessing the Description of the Symbol()

We can access the description of the symbol by calling the .description method.

12
let firstName = Symbol('Michael'); console.log(firstName.description);
copy
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 a Symbol() function as an optional argument.
  • The description of the symbol can be accessed through the .description property.

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 3. Kapitel 29
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
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