Boolean 3/4
The Boolean()
Function:
The Boolean()
function, in JavaScript, is used to return or convert a value to its Boolean value i.e., true
or false
.
Almost any value is evaluated as true
if it has some sort of content, for example.
12let name="paul"; console.log(Boolean(name));
As you can see for the above variable, name
we get the output as true because it had a string value. An empty string would have given a false
output.
Swipe to start coding
Use the Boolean method to check wheater the value given to the variable emptyString
is true
or false
. Show the answer on the console.
Løsning
As you can see now for an empty string it gave the output as false
.
Tak for dine kommentarer!
single
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Completion rate improved to 2
Boolean 3/4
Stryg for at vise menuen
The Boolean()
Function:
The Boolean()
function, in JavaScript, is used to return or convert a value to its Boolean value i.e., true
or false
.
Almost any value is evaluated as true
if it has some sort of content, for example.
12let name="paul"; console.log(Boolean(name));
As you can see for the above variable, name
we get the output as true because it had a string value. An empty string would have given a false
output.
Swipe to start coding
Use the Boolean method to check wheater the value given to the variable emptyString
is true
or false
. Show the answer on the console.
Løsning
As you can see now for an empty string it gave the output as false
.
Tak for dine kommentarer!
Awesome!
Completion rate improved to 2single