What are the differences between CommonJS and ES6 modules?
CommonJS modules are synchronous and used primarily in Node.js, while ES6 modules are asynchronous and designed for the browser.
Can you explain how to import and export in both module types?
In CommonJS, you use require()
to import and module.exports
to export. In ES6, you use import
and export
keywords.
Are there any performance differences between them?
Yes, ES6 modules can be more efficient due to static analysis, allowing for better optimization by the JavaScript engine.
Which module type should I use for a new project?
If you're targeting modern browsers and want to take advantage of features like tree-shaking, go with ES6 modules.
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