How do you call a method named greet that belongs to an object person?
A). person(greet);
B). person.greet();
C). greet.person();
D). call person.greet();
What will be the output of the following code: function test() { return 'Hello'; } console.log(test());?
A). test
B). Hello
C). undefined
D). error
How do you handle the returned value of a function that returns an object?
A). var obj = myFunction(); obj.key;
B). var obj = myFunction().key;
C). var obj = myFunction.key();
D). var obj.key = myFunction();
How do you define a function in JavaScript?
A). function myFunction { }
B). function: myFunction() { }
C). function myFunction() { }
D). myFunction function() { }
Which of the following can a JavaScript function return?
A). Only strings
B). Only numbers
C). Any data type
D). Nothing
Which of the following is a valid way to return multiple values from a function?
A). return a, b;
B). return [a, b];
C). return {a, b};
D). return (a, b);
What is the correct way to return an object from a function?
A). return object { };
B). return { };
C). return new Object { };
D). return object() { };
How do you define a default parameter in a function?
A). function myFunction(param = 10) { }
B). function myFunction(param := 10) { }
C). function myFunction(param == 10) { }
D). function myFunction(param : 10) { }
What is an anonymous function?
A). A function without a name
B). A function without parameters
C). A function without return value
D). A function without a body
How can you pass a function as an argument to another function?
A). function anotherFunction(function) { }
B). anotherFunction(function() { });
C). anotherFunction(myFunction);
D). function anotherFunction(myFunction()) { }