What are the differences between JavaScript modules and CommonJS?
JavaScript modules use the import
and export
syntax, while CommonJS uses require
and module.exports
. This affects how modules are loaded and executed.
Can you explain how the loading mechanism differs?
Sure! JavaScript modules are loaded asynchronously, which can improve performance. CommonJS modules are loaded synchronously, which can block execution.
What about compatibility with Node.js?
CommonJS is the standard in Node.js, but ES modules (JavaScript modules) are now supported as well, allowing for more flexibility.
Are there any advantages to using one over the other?
Yes, ES modules offer better support for tree-shaking and are more aligned with modern JavaScript practices, while CommonJS is widely used in existing Node.js applications.
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