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 theundefined
).
12let number = null; console.log(number);
Swipe to start coding
Declare a variable selectColor
and assign the value of null
to the variable and display the value of the variable.
Lösning
Tack för dina kommentarer!
single
Fråga AI
Fråga AI
Fråga vad du vill eller prova någon av de föreslagna frågorna för att starta vårt samtal
Awesome!
Completion rate improved to 2
Null
Svep för att visa menyn
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 theundefined
).
12let number = null; console.log(number);
Swipe to start coding
Declare a variable selectColor
and assign the value of null
to the variable and display the value of the variable.
Lösning
Tack för dina kommentarer!
Awesome!
Completion rate improved to 2single