Common traps that still haunt modern web apps:
❌ Big numbers get silently rounded
❌ Dates shift across timezones
❌ JSON.parse() freezes your UI
❌ Emojis get mangled in logs
❌ 20MB payloads clog mobile browsers
✅ Learn how to:
- Wrap big ints without losing precision
- Handle dates with UTC discipline
- Stream + compress to keep UIs fluid
- Swap JSON for MessagePack or Protobuf when it matters
📖 Full breakdown with real examples inside:
https://javascript.plainenglish.io/avoiding-json-traps-in-2025-web-apps-82685028932c
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