Back-End Programming Exam > Back-End Programming Videos > The Complete NodeJS Developer Course (in Hindi) > Node js tutorial step by step 11 Core Modules
Node js tutorial step by step 11 Core Modules Video Lecture | The Complete NodeJS Developer Course (in Hindi) - Back-End Programming
FAQs on Node js tutorial step by step 11 Core Modules Video Lecture - The Complete NodeJS Developer Course (in Hindi) - Back-End Programming
| 1. What are Node.js core modules? |  |
Ans. Node.js core modules are modules that are built-in and available for use in Node.js without the need for installation. These modules provide essential functionalities for back-end programming, such as file system manipulation, network communication, and cryptographic operations.
| 2. How do I use core modules in Node.js? | |
Ans. To use a core module in Node.js, you need to require it using the `require` function. For example, to use the file system module, you can write `const fs = require('fs');`. Once required, you can access the functionalities provided by the core module using the assigned variable (`fs` in this case).
| 3. Can I create my own core modules in Node.js? | |
Ans. No, you cannot create your own core modules in Node.js. Core modules are part of the Node.js runtime and are maintained by the Node.js core team. However, you can create and use your own custom modules in Node.js by following the module system provided by Node.js.
| 4. How can I determine the version of a core module in Node.js? | |
Ans. You can determine the version of a core module in Node.js by accessing the `version` property of the `process` object. For example, to determine the version of the file system module, you can use `console.log(process.versions.fs);`. This will print the version of the file system module.
| 5. Are core modules the same across different versions of Node.js? | |
Ans. Core modules can vary across different versions of Node.js. New versions of Node.js may introduce new core modules or deprecate existing ones. Therefore, it's important to check the Node.js documentation or release notes for each version to ensure compatibility and to be aware of any changes in the core modules you are using.
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Nov 22, 2024 Last updated |
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