Importing npm Modules -2

This video tutorial teaches how to use the require function in Node.js to load modules and files. It explains the importance of organizing code into multiple files for better management and maintainability. The tutorial covers how to require and execute additional files, export and import variables, and export and use functions across files. A challenge is provided to reinforce the concepts by creating and using a function in a new file.

What is the purpose of the require function in Node.js?

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Why is it not ideal to have all code in a single file as applications grow?

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How do you define a variable in JavaScript and print it to the console?

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What happens when you run a Node.js file that requires another file but does not call it?

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What is the significance of providing a relative path when requiring a file?

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Explain the concept of module.exports in Node.js.

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How can you export a function from one file and use it in another in Node.js?

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Describe the process of creating a new file and defining a function in it.

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What steps should you follow to ensure that a new function can be used in app.js?

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What is the expected output when you call a function that has been exported from another file?

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