Dev Tools · 2h ago
Why 'Unexpected token' JSON errors are usually not JSON problems
Most JSON parse errors stem from servers returning HTML instead of JSON, not malformed data. Double-parsing with fetch().then(r => r.json()) also causes the '[object Object]' error. When JSON is truly broken, trailing commas, single quotes, or unquoted keys are the usual culprits.
Meridian48 take
The article's practical triage guide is more useful than most debugging tutorials, but its self-promotion of a repair tool undercuts the advice.
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Fixing broken JSON: why "Unexpected token" usually isn't a JSON problem →
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