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Edge Functions Guide Explains Practical Uses and Technical Differences

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A technical guide explains edge functions, which run code globally on V8 isolates for low-latency responses. Unlike regional serverless functions, they deploy everywhere simultaneously, reducing round-trip times for users. Their runtime uses Web standard APIs instead of Node.js, limiting compatibility with certain modules. The article provides practical code examples for tasks like authentication and API proxying, noting they are best for short, latency-sensitive operations.

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