Which statement correctly defines a function named sum that returns the sum of two parameters a and b?
A). function sum(a, b) { return a + b; }
B). function sum(a, b) { a + b; }
C). function sum(a, b) return a + b;
D). function sum(a, b) { return (a + b) }
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) { }
Which of the following is a valid way to return multiple values from a function?
A). return a, b;
B). return [a, b];
C). return {a, b};
D). return (a, b);
How can you store the result of a function in a variable?
A). var result = myFunction;
B). var result = myFunction();
C). var result = myFunction;()
D). var result: myFunction()
Which keyword is used to return a value from a function?
A). return
B). give
C). send
D). output
What is the correct syntax for invoking a function named myFunction?
A). call myFunction()
B). myFunction()
C). myFunction(call)
D). invoke myFunction()
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 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 handle the returned value of a function that returns an object?
A). var obj = myFunction(); obj.key;
B). var obj = myFunction().key;
C). var obj = myFunction.key();
D). var obj.key = myFunction();
What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script