Answer
Native addons are C/C++ modules compiled for Node. They are used for CPU-heavy tasks such as encryption, compression, image processing, or low-level system access.
Quick Answer
Native addons are C/C++ modules compiled to .node files that Node.js loads like a regular module. They're needed when: you need access to OS-level APIs, you want to use an existing C/C++ library, or you need absolute maximum CPU performance for a hot code path. Use node-addon-api (N-API) for a stable, version-independent C++ API.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ