What is the purpose of the return statement in a function?
A). To stop the execution of the function
B). To return a value to the caller
C). Both A and B
D). Neither A nor B
What will be the output of the following code: function test() { return 'Hello'; } console.log(test());?
A). test
B). Hello
C). undefined
D). error
What is the correct way to return an object from a function?
A). return object { };
B). return { };
C). return new Object { };
D). return object() { };
What is the correct syntax for invoking a function named myFunction?
A). call myFunction()
B). myFunction()
C). myFunction(call)
D). invoke myFunction()
What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script
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()) { }
How do you immediately invoke a function expression (IIFE)?
A). (function() { })();
B). function() { }();
C). (function() { }());
D). function() { }()
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) { }
How do you define a function in JavaScript?
A). function myFunction { }
B). function: myFunction() { }
C). function myFunction() { }
D). myFunction function() { }
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();