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 var test = function() { return 5; }; console.log(test());?
A). test
B). 5
C). undefined
D). function
How can you invoke a function named init only once when the script runs?
A). init;
B). (init)();
C). init();
D). function init() {}();
How can you invoke a function using the call method?
A). myFunction.call();
B). myFunction.call(this);
C). call.myFunction();
D). call(myFunction);
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
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 {}()
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
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
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[];