What are the differences between CommonJS and ES Modules?
An example of an AI chatbot conversation about CommonJS and ES Modules in JavaScript.
What are the main differences between CommonJS and ES Modules?
CommonJS is a module system used in Node.js, while ES Modules is the standard for JavaScript modules in browsers. CommonJS uses require() to import modules and module.exports to export them, whereas ES Modules use import and export syntax.
Can you explain how to use ES Modules in a Node.js environment?
To use ES Modules in Node.js, you need to set the type field in your package.json to module. Then, you can use import and export syntax in your JavaScript files.
Are there any performance differences between the two?
Yes, ES Modules can be more efficient in certain scenarios due to static analysis, allowing for better tree-shaking and optimization by bundlers.
Which one should I use for a new project?
If you're starting a new project, it's generally recommended to use ES Modules, as they are the future of JavaScript and are supported in modern browsers.
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