Question 1

What is the purpose of parameters in a JavaScript function?

Accepted Answer

To pass values into the function to be used in its execution

Answer

To end the function execution

Answer

To display a message on the screen

Answer

To create a new function

Question 2

What is the syntax for declaring parameters in a JavaScript function?

Accepted Answer

Parameters are listed inside the parentheses of the function declaration

Answer

Parameters are declared using square brackets

Answer

Parameters are not specified in a function declaration

Answer

Parameters are declared after the function body

Question 3

How can you call a JavaScript function named 'updateData' with two parameters?

Accepted Answer

updateData(param1, param2)

Answer

updateData->param1->param2

Answer

call function updateData with param1 and param2

Answer

execute updateData having param1 and param2

Question 4

What is the purpose of a return statement in a JavaScript function?

Accepted Answer

To specify the value to be returned by the function

Answer

To stop the execution of the function

Answer

To define a new function

Answer

To print a message to the console

Question 5

What is the result of a JavaScript function if no return statement is included?

Accepted Answer

undefined

Answer

null

Answer

0

Answer

false

Question 6

Which keyword is used to define a function in JavaScript?

Accepted Answer

function

Answer

define

Answer

return

Answer

variable

Question 7

How do you return a value from a JavaScript function?

Accepted Answer

Using the 'return' keyword

Answer

Using the 'value' keyword

Answer

Using the 'get' keyword

Answer

Using the 'print' keyword

Question 8

What will the following JavaScript code return: function calculate(x) { return x * 2; } calculate(5);

Accepted Answer

10

Answer

x*2

Answer

2

Answer

5

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