How do you invoke a function named myFunction?
A). myFunction;
B). call myFunction();
C). myFunction();
D). myFunction[];
What is the output of var test = function() { return 5; }; console.log(test());?
A). test
B). 5
C). undefined
D). function
What is the output of function sayHi() { return 'Hi'; } alert(sayHi());?
A). sayHi
B). Hi
C). undefined
D). alert
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 without a value return?
A). 0
B). null
C). undefined
D). NaN
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 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
How can you invoke a function using the call method?
A). myFunction.call();
B). myFunction.call(this);
C). call.myFunction();
D). call(myFunction);
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[];
How can you invoke a function named init only once when the script runs?
A). init;
B). (init)();
C). init();
D). function init() {}();