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Please enable JavaScript in your browser settings or update your browser.Symbols 3/3 | Data Types and Variables
Introduction to JavaScript (staging)
course content

Course Content

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
Writing our first codeOutput Using Variables 1/2Output Using Variables 2/2
2. JavaScript syntax
JavaScript SyntaxJavaScript VariablesJavaScript OperatorsIdentifiers in JavaScriptNaming IdentifiersReserved keywords in JavaScriptNaming Convention in JavaScript. Case StylesVariables Naming ConventionBoolean Naming ConventionConstant Naming ConventionFunction & Classes Naming ConventionMultiline StringsMultiline Strings. ConcatenatingCommenting in JavaScriptCommenting in JavaScript. Multi-line Comments
3. Data Types and Variables
What are Variables?What are Data-types?JavaScript and Type ConversionVar 1/3Var 2/3Var 3/3Let 1/2Let 2/2Constant 1/3Constant 2/3Constant 3/3Number 1/3Number 2/3Number 3/3Boolean 1/4Boolean 2/4Boolean 3/4Boolean 4/4Strings 1/5Strings 2/5Strings 3/5Strings 4/5Strings 5/5BigInt 1/3BigInt 2/3BigInt 3/3Symbols 1/3Symbols 2/3Symbols 3/3NullUndefinedNull vs Undefined

bookSymbols 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

Task

Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.

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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Section 3. Chapter 29
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bookSymbols 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

Task

Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 3. Chapter 29
toggle bottom row

bookSymbols 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

Task

Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

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

Task

Create two symbols personName and personAdress by using Symbol() give them the description of Name and Address and display their descriptions.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 3. Chapter 29
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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