What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script
How do you immediately invoke a function expression (IIFE)?
A). (function() { })();
B). function() { }();
C). (function() { }());
D). function() { }()
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) { }
How do you define a function in JavaScript?
A). function myFunction { }
B). function: myFunction() { }
C). function myFunction() { }
D). myFunction function() { }
What is the purpose of the return statement in a function?
A). To stop the execution of the function
B). To return a value to the caller
C). Both A and B
D). Neither A nor B
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();
What happens if a function does not have a return statement?
A). It returns undefined
B). It throws an error
C). It returns null
D). It returns 0
What is the correct syntax for invoking a function named myFunction?
A). call myFunction()
B). myFunction()
C). myFunction(call)
D). invoke myFunction()
How do you define a function with parameters in JavaScript?
A). function myFunction[] { }
B). function myFunction(parameters) { }
C). function myFunction{parameters}
D). function myFunction((parameters)) { }
Which of the following can a JavaScript function return?
A). Only strings
B). Only numbers
C). Any data type
D). Nothing