Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them

We've all seen it: an API response that looks perfectly fine, but JSON.parse() throws a cryptic error at position 0. Or position 472. Or somewhere deep inside a 10,000-line config file. Here are the most common JSON syntax issues and how to diagnose them fast. { "name": "App", "version": "2.0.1", "d