Calculate SHA-256 hash in JavaScript
Calculate a SHA-256 hash in JavaScript using native APIs in both the browser and Node.js.
Node.js Articles - 30 seconds of code
The Node.js article collection contains JavaScript utilities for Node.js 18.x. It includes helper functions related to server-side code and filesystem operations, while general-purpose helpers can be found in the JavaScript article collection. All articles can be used with the ESM syntax.
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JavaScript · Create a static file server with Node.js
Create your own static file server with Node.js in just 70 lines of code.
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JavaScript · Generate a UUID in JavaScript
Generate a UUID in JavaScript using native APIs in both the browser and Node.js.
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JavaScript · Read a file and return an array of lines
Parse a text file and return an array of lines, synchronously or asynchronously, using Node.js.
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JavaScript · Introduction to the Node.js test module
The Node.js test module is a new testing tool that's still in its early stages. Learn more about it in this short introduction.
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JavaScript · How can I save a JSON object to a file using JavaScript?
Learn how to write a JSON object to a file, both using Node.js and in the browser.
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JavaScript · Command-line arguments in Node.js
Learn how to extract command-line arguments passed to a Node.js script.
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JavaScript · How can I check if a value implements a stream in Node.js?
Learn how to type check for different types of streams in Node.js.
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JavaScript · Introduction to Semantic Versioning (SemVer)
Learn how semantic versioning works and how to use it to correctly version your software.
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JavaScript · Check if the current JavaScript environment is Node.js or a browser
Determine if the current JavaScript environment is Node.js or a browser.
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JavaScript · Convert a tilde path to an absolute path in Node.js
Ever wanted to convert a tilde path to an absolute path? Here's how you can do it in JavaScript.
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JavaScript · Colorize text in the Node.js terminal
Use special Unicode characters to print text in color in the console.
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JavaScript · Create a directory if it doesn't exist using Node.js
Learn how to create a directory using Node.js, if it doesn't exist.
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JavaScript · Can I reload a module in Node.js?
Ever wanted to reload a module in Node.js? Here's how you can do it.
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JavaScript · Debugging Node.js using Chrome Developer Tools
Did you know you can use Chrome Developer Tools to debug your Node.js code? Find out how in this short guide.