The article highlights several silent data corruption issues in JavaScript's JSON.stringify(), including precision loss for large integers, stripping of undefined values, Date objects becoming strings, and NaN converting to null. It traces JSON's origins as a lightweight data exchange format designed for simplicity rather than type fidelity.
Background
JSON has been the dominant data interchange format on the web since the mid-2000s, but its limited type system often causes subtle bugs when serializing complex JavaScript objects.
- Source
- Lobsters
- Published
- Aug 3, 2026 at 09:40 AM
- Score
- 6.0 / 10