Which of the following is true about functions in JavaScript?
A). Functions cannot be nested
B). Functions can only have one parameter
C). Functions can be assigned to variables
D). Functions cannot return values
How do you call a function named myFunction?
A). call myFunction()
B). myFunction()
C). call function myFunction()
D). myFunction(call)
What is the correct syntax for defining a function in JavaScript?
A). function myFunction() { }
B). def myFunction() { }
C). func myFunction() { }
D). function: myFunction() { }
How do you define a default parameter in a function?
A). function myFunction(param = 10) { }
B). function myFunction(param == 10) { }
C). function myFunction(param := 10) { }
D). function myFunction(param : 10) { }
What will be the output of the following code: function test() { return 'Hello'; } alert(test());?
A). undefined
B). test
C). Hello
D). error
Which keyword is used to declare a function in JavaScript?
A). func
B). function
C). def
D). declare
What is the purpose of the return statement in a function?
A). To output a value to the console
B). To exit a function and return a value
C). To pass a value to another function
D). To loop through a function
How do you call a method named greet that belongs to an object person?
A). person(greet);
B). person.greet();
C). greet.person();
D). call person.greet();
How do you define an Immediately Invoked Function Expression (IIFE)?
A). function() { }();
B). (function() { })();
C). function() { }();
D). function() ( ) { }
What is the scope of a variable declared inside a function?
A). Global
B). Local to the function
C). Local to the script
D). It depends on the variable type