What are the differences between ES6 modules and CommonJS?
ES6 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! ES6 modules are loaded asynchronously and can be statically analyzed, while CommonJS modules are loaded synchronously, which can lead to blocking.
What about compatibility with Node.js?
CommonJS is the standard in Node.js, but ES6 modules are now supported in recent versions. You can use both, but with some configuration.
Are there any performance differences?
Yes, ES6 modules can be more efficient due to their static structure, allowing for better optimization by the JavaScript engine.
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