How do you invoke a function named myFunction?
A). myFunction;
B). call myFunction();
C). myFunction();
D). myFunction[];
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
How do you invoke a method named greet on an object person?
A). person.greet;
B). person.greet();
C). greet(person);
D). persongreet;
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
Which of the following is an example of an Immediately Invoked Function Expression (IIFE)?
A). function() {}();
B). (function() {})();
C). function() {}
D). (function {})();
What is the main purpose of the () operator in JavaScript functions?
A). To define a function
B). To invoke a function
C). To declare a variable
D). To create an object
What will function greet() { console.log('Hi'); } var x = greet; x(); output?
A). Hi
B). undefined
C). x
D). greet
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 is the output of var test = function() { return 5; }; console.log(test());?
A). test
B). 5
C). undefined
D). function
What is the result of invoking a function without parentheses, like myFunction?
A). The function gets executed
B). The function returns undefined
C). The function is referenced but not executed
D). The function throws an error