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 can you store the result of a function in a variable?
A). var result = myFunction;
B). var result = myFunction();
C). var result = myFunction;()
D). var result: myFunction()
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 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();
Which of the following can a JavaScript function return?
A). Only strings
B). Only numbers
C). Any data type
D). Nothing
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
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) { }
Which keyword is used to return a value from a function?
A). return
B). give
C). send
D). output
What is the correct syntax for invoking a function named myFunction?
A). call myFunction()
B). myFunction()
C). myFunction(call)
D). invoke myFunction()
How do you define a function with parameters in JavaScript?
A). function myFunction[] { }
B). function myFunction(parameters) { }
C). function myFunction{parameters}
D). function myFunction((parameters)) { }