Function Invocation and Function Return Mockest | JavaScript

11.

Which of the following can a JavaScript function return?

A). Only strings B). Only numbers C). Any data type D). Nothing

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12.

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();

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13.

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

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14.

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) { }

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15.

Which statement correctly defines a function named sum that returns the sum of two parameters a and b?

A). function sum(a, b) { return a + b; } B). function sum(a, b) { a + b; } C). function sum(a, b) return a + b; D). function sum(a, b) { return (a + b) }

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16.

What is the correct way to return an object from a function?

A). return object { }; B). return { }; C). return new Object { }; D). return object() { };

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17.

How do you create a function expression in JavaScript?

A). var myFunction = function() { }; B). var myFunction = function { }; C). var myFunction function() { }; D). var function myFunction() { };

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18.

What happens if a function does not have a return statement?

A). It returns undefined B). It throws an error C). It returns null D). It returns 0

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19.

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()) { }

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20.

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

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Function Invocation and Function Return Mocktest

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