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.
Lösung
As you can see now for an empty string it gave the output as false
.
Danke für Ihr Feedback!
single
Fragen Sie AI
Fragen Sie AI
Fragen Sie alles oder probieren Sie eine der vorgeschlagenen Fragen, um unser Gespräch zu beginnen
Awesome!
Completion rate improved to 2
Boolean 3/4
Swipe um das Menü anzuzeigen
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.
Lösung
As you can see now for an empty string it gave the output as false
.
Danke für Ihr Feedback!
Awesome!
Completion rate improved to 2single