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) }
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 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()
What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script
What is the correct way to return an object from a function?
A). return object { };
B). return { };
C). return new Object { };
D). return object() { };
How do you immediately invoke a function expression (IIFE)?
A). (function() { })();
B). function() { }();
C). (function() { }());
D). function() { }()
What will be the output of the following code: function test() { return 'Hello'; } console.log(test());?
A). test
B). Hello
C). undefined
D). error
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
Which keyword is used to return a value from a function?
A). return
B). give
C). send
D). output
How do you create a function expression in JavaScript?
A). var myFunction = function() { };
B). var myFunction = function { };
C). var myFunction function() { };
D). var function myFunction() { };