What does return without a value return?
A). 0
B). null
C). undefined
D). NaN
How can you invoke a function stored in a variable myFunc?
A). myFunc();
B). call myFunc;
C). myFunc[];
D). invoke(myFunc);
What is the output of function test() { return 2 + 2; } console.log(test());?
A). 22
B). 2 + 2
C). 4
D). test
Which of the following is an example of an Immediately Invoked Function Expression (IIFE)?
A). function() {}();
B). (function() {})();
C). function() {}
D). (function {})();
How do you invoke a function named myFunction?
A). myFunction;
B). call myFunction();
C). myFunction();
D). myFunction[];
Which of these is the correct way to define and immediately invoke a function?
A). function() { return 1; };
B). (function() { return 1; })();
C). function() { return 1; }();
D). function {}()
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
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 sum(a, b) { return a + b; } console.log(sum(3, 4));?
A). 34
B). 7
C). undefined
D). sum
What is the output of function sayHi() { return 'Hi'; } alert(sayHi());?
A). sayHi
B). Hi
C). undefined
D). alert