Question 1

How to use JSONC with AJAX requests in JavaScript?

Accepted Answer

Include the JSONC library, then compress your JSON object with JSONC.compress() before sending it via AJAX. On the server, use JSONC.decompress() to restore the original data, reducing payload size without altering the AJAX workflow significantly.

Question 2

JSONC vs native GZIP compression for JSON?

Accepted Answer

JSONC enhances GZIP by adding key mapping compression, which can further reduce size for repetitive keys. However, if your server and client both support GZIP natively, JSONC might add unnecessary complexity for minimal additional gain, especially in server-to-client flows.

Question 3

How to decompress JSONC data on a Node.js server?

Accepted Answer

Install or include the JSONC library in your Node.js project, then use JSONC.decompress() for key-mapped data or JSONC.unpack() for GZIP-compressed strings. Ensure the client sends data in the correct format, as described in the Usage examples.

Question 4

What's the performance cost of JSONC compression?

Accepted Answer

Compression and decompression add CPU overhead, which can impact real-time applications. Key mapping is lightweight, but GZIP integration involves more computation, so benchmark with your specific data to balance size reduction against latency increases.

Question 5

Can JSONC compress deeply nested JSON objects?

Accepted Answer

Yes, JSONC works with any valid JSON object, including nested structures. The key mapping method replaces keys throughout the object, so depth doesn't affect compression directly, but efficiency depends on key repetition and data size.

Question 6

JSONC or MessagePack for data transfer?

Accepted Answer

JSONC keeps data in JSON format, ensuring compatibility with existing JSON parsers, while MessagePack uses a binary format for better compression but requires special handling. Choose JSONC if JSON compatibility is critical; opt for MessagePack for maximum compression in binary-aware environments.

JSONC

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