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Lære Null | Data Types and Variables
Introduction to JavaScript

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Null

What is Null

The data type null represents that there is no value. It is a primitive value in javascript.

To have a better understanding of null, we must know these two features about null:

  • null provides the non-existent value or empty value.

  • null has to be assigned to a variable as it is not assigned by default (unlike the undefined).

12
let number = null; console.log(number);
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Oppgave

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Declare a variable selectColor and assign the value of null to the variable and display the value of the variable.

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Null

What is Null

The data type null represents that there is no value. It is a primitive value in javascript.

To have a better understanding of null, we must know these two features about null:

  • null provides the non-existent value or empty value.

  • null has to be assigned to a variable as it is not assigned by default (unlike the undefined).

12
let number = null; console.log(number);
copy
Oppgave

Swipe to start coding

Declare a variable selectColor and assign the value of null to the variable and display the value of the variable.

Løsning

Switch to desktopBytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor
Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

close

Awesome!

Completion rate improved to 2

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