Node.js is a javascript runtime built on the v8 javascript engine. Welcome to the official api reference documentation for node.js The node.js event loop what is the event loop Introduction # ecmascript modules are the official standard format to package javascript code for reuse Modules are defined using a variety of import and export statements. Using it won't cause any harm though, and it can be useful to ensure backwards compatibility for libraries and applications that need to support versions older than 19.0.0.
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