The Modern JavaScript Bootcamp (2019) - Adding Babel into Webpack

The video tutorial covers integrating Babel with webpack to enhance JavaScript code compatibility across browsers. It explains setting up webpack loaders, configuring module rules, and excluding node_modules to optimize performance. The tutorial concludes with testing the setup and updating package.json scripts.

What is the primary benefit of integrating Babel with Webpack?

• To improve the speed of code execution

• To enable the use of JavaScript modules

• To reduce the size of JavaScript files

• To ensure code runs in a wider range of browsers

What role do Webpack loaders play in the build process?

• They allow customization of file processing

• They compile JavaScript code into machine code

• They manage dependencies between modules

• They optimize images and other assets

Which command is used to install the Babel loader?

• npm install babel-core

• npm install webpack-loader

• npm install babel-loader

• npm install webpack-core

In the Webpack configuration, what is the purpose of the 'rules' property?

• To define the entry point of the application

• To specify output file names

• To set up rules for processing files

• To manage environment variables

Why is it important to exclude 'node_modules' from Babel processing?

• To avoid slowing down the build process

• To prevent errors in third-party code

• To ensure compatibility with older browsers

• To reduce the size of the final bundle

What does the 'test' property in Webpack configuration do?

• It specifies the output directory

• It defines which files to process

• It configures the server settings

• It sets the environment variables

What change is made to the package.json file after configuring Webpack?

• Adding a new dependency

• Updating the version number

• Changing the main entry point

• Removing the build script