What is the output of function sayHi() { return 'Hi'; } alert(sayHi());?

What does return do inside a function?

A). Stops the function

B). Returns a value to the caller

C). Both A and B

D). Declares a variable

How can you invoke a function using the call method?

A). myFunction.call();

B). myFunction.call(this);

C). call.myFunction();

D). call(myFunction);

What will function greet() { console.log('Hi'); } var x = greet; x(); output?

A). Hi

B). undefined

C). x

D). greet

What is the output of function multiply(x, y) { return x * y; } var result = multiply(5, 10); console.log(result);?

A). 50

B). 510

C). undefined

D). multiply

How do you invoke a method named greet on an object person?

A). person.greet;

B). person.greet();

C). greet(person);

D). persongreet;

Which of the following correctly invokes a function with parameters?

A). function myFunc(a, b) { }; myFunc(a b);

B). function myFunc(a, b) { }; myFunc(a, b);

C). function myFunc(a b) { }; myFunc(a, b);

D). function myFunc(a, b) { }; myFunc[];

What is the output of var test = function() { return 5; }; console.log(test());?

A). test

B). 5

C). undefined

D). function

What does return without a value return?

A). 0

B). null

C). undefined

D). NaN

Which of the following is an example of an Immediately Invoked Function Expression (IIFE)?

A). function() {}();

B). (function() {})();

C). function() {}

D). (function {})();

What happens if a function is invoked without parentheses in an event handler like onclick='myFunction'?

A). The function is executed immediately

B). The function reference is assigned

C). An error is thrown

D). The function does not work