JSON5 vs JSON: What's Different and When to Use JSON5
JSON5 adds comments, trailing commas, and unquoted keys to JSON. Learn what's different, when JSON5 is the right choice, and its parser ecosystem.
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Tags: json, developer-tools, comparison
JSON5 vs JSON: What's Different and When to Use JSON5 JSON is a strict subset of JavaScript object syntax, but it's stricter than most developers expect. No comments, no trailing commas, no unquoted keys, no single-quoted strings, no hexadecimal literals. Every one of these restrictions exists for good reason in a data interchange format — but they make JSON config files more painful to write and maintain than they need to be. JSON5 is a proposed extension to JSON that adds the most useful JavaScript expression literals back in. It targets exactly one use case: configuration files that humans edit. It's not a replacement for JSON in APIs. The Same Config in Both Formats A build tool configuration shows where JSON5 improves on JSON: The strict JSON version of the same config: The JSON…
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