Modern JavaScript from the Beginning - Second Edition - What Are Modules?

What is a key difference between JavaScript modules and PHP includes?

• Modules require explicit export of code to be used elsewhere.

• Modules automatically include all code from another file.

• Modules can only export functions.

• Modules are only used in backend development.

Why are modules important for code organization?

• They allow for code to be written in a single file.

• They make it easier to manage and maintain code by breaking it into separate files.

• They are only useful for small projects.

• They automatically optimize code for performance.

What is a module bundler used for in JavaScript?

• To compile JavaScript into machine code.

• To bundle multiple modules into a single file for use in the browser.

• To convert JavaScript into a different programming language.

• To automatically generate documentation for JavaScript code.

Which module type is commonly used in Node.js?

• CommonJS

• ES modules

• UMD

• AMD

What is a benefit of understanding module bundlers when using frameworks like React?

• It helps you configure and optimize the build process.

• It allows you to write code in multiple programming languages.

• It automatically writes code for you.

• It eliminates the need for any additional tools.

How do frameworks like React and Angular use module bundlers?

• They use them under the hood to manage modules.

• They only use them for backend development.

• They require manual configuration by the developer.

• They do not use module bundlers at all.

What is a common convention when naming class files in JavaScript modules?

• Using uppercase letters for class file names.

• Using special characters in file names.

• Using lowercase letters for all file names.

• Using numbers in file names.