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
What is the output of function sayHi() { return 'Hi'; } alert(sayHi());?
A). sayHi
B). Hi
C). undefined
D). alert
What does return without a value return?
A). 0
B). null
C). undefined
D). NaN
How can you invoke a function named init only once when the script runs?
A). init;
B). (init)();
C). init();
D). function init() {}();
How do you invoke a method named greet on an object person?
A). person.greet;
B). person.greet();
C). greet(person);
D). persongreet;
How do you define and invoke a function to calculate the square of a number in one step?
A). var square = function(n) { return n * n; }; square(5);
B). (function(n) { return n * n; })(5);
C). function square(n) { return n * n; } square(5);
D). var square = (n) { return n * n; }; square(5);
How do you invoke a function named myFunction?
A). myFunction;
B). call myFunction();
C). myFunction();
D). myFunction[];
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[];