1. What does the acronym IIFE stand for in the context of JavaScript functions?

• Immediately Invoked Function Expression
• Internal Iterative Function Execution
• Inline If-Else
• Internal Inline Function Evaluation

2. Which keyword is used to define default values for function parameters in JavaScript?

• default
• undefined
• optional
• defaultParam

3. Which of the following function declarations is a function expression?

• function myFunction()
• let myFunction = function()
• var myFunction = () =>
• const myFunction = function()

4. What is the purpose of parameters in a function?

• To declare variables
• To store and manage data
• To define the function's return value
• To accept inputs and customize function behavior

5. What is the return type of a function in JavaScript if no 'return' statement is specified?

• Undefined
• Null
• Boolean
• String

6. What is the primary purpose of functions in JavaScript?

• To declare variables
• To perform mathematical calculations
• To store and manage data
• To group and reuse code

7. How do you call (invoke) a function in JavaScript?

• call myFunction()
• invoke myFunction()
• myFunction()
• execute myFunction()

8. How do you declare a function in JavaScript?

• function myFunction()
• let myFunction = function()
• var myFunction = () =>
• function = myFunction()

9. What is the purpose of the 'this' keyword in a JavaScript function?

• Refers to the function itself
• Refers to the global object
• Refers to the calling object
• Refers to the parent scope

10. What is the purpose of the 'arguments' object in a JavaScript function?

• To store local variables
• To pass multiple arguments to a function
• To access all arguments passed to a function
• To define default parameter values