Frontend Web Development Bootcamp - Build a Twitter Clone - Functions

The video tutorial introduces JavaScript functions, explaining their purpose and how they help in code reuse. It covers creating functions, using parameters and arguments, and provides examples like a university enrollment function. The difference between parameters and arguments is clarified. A function to calculate scores is demonstrated, and the tutorial concludes with a brief mention of arrow functions in ES6.

What is the primary benefit of using functions in JavaScript?

• They increase the size of the code.

• They make the code harder to read.

• They make the code run faster.

• They allow for code reuse and organization.

Which keyword is used to define a function in JavaScript?

• function

• define

• create

• method

What should a function name ideally describe?

• The complexity of the function

• The number of parameters

• The task the function performs

• The length of the function

In the 'Pass Exam' function, what score is required to enroll at the university?

• 51

• 81

• 61

• 71

What is the difference between parameters and arguments in a function?

• Parameters are the actual values, arguments are placeholders.

• Parameters are placeholders, arguments are the actual values.

• Parameters and arguments are the same.

• Parameters are used only in loops.

What does the return statement do in a function?

• It pauses the function.

• It starts the function.

• It repeats the function.

• It stops the function and returns a value.

In the 'calculate score' function, what is the purpose of the return statement?

• To print the score to the console.

• To stop the function without returning a value.

• To return the calculated score value.

• To call another function.