The Modern JavaScript Bootcamp (2019) - Section Intro: JavaScript Functions

The video tutorial explains the concept of functions in JavaScript, highlighting their importance in creating reusable code. It uses a temperature conversion example to demonstrate how functions can simplify repetitive tasks. The tutorial also discusses the role of functions in browser interactions, such as handling button clicks, emphasizing their essential role in modern JavaScript development.

What is a function in JavaScript described as in the video?

• A large program

• A small program

• A data structure

• A variable

Why are functions useful according to the temperature converter example?

• They enable code reuse

• They make code less readable

• They increase the complexity of code

• They allow for single-use code

How do functions help in handling repetitive tasks?

• By writing code multiple times

• By increasing the number of lines of code

• By creating a single reusable subprogram

• By avoiding code execution

What is one of the key benefits of using functions in JavaScript?

• They make the code run slower

• They allow for reusable code

• They are only used for styling

• They are not used in web development

In modern JavaScript, what is a common use of functions?

• To replace CSS

• To store data permanently

• To handle events like button clicks

• To style HTML elements