What Is JSON and How Do You Use It?

▤ Summary

This article explains what JSON is and how developers use it to exchange structured data between systems. It walks through JSON syntax, supported data types, validation rules, and common ways to parse and generate JSON in languages such as JavaScript, PHP, Python, and Ruby. It also outlines JSON’s limitations, including the lack of comments, schemas, references, and advanced data types. Finally, it compares JSON with alternatives like YAML, protobufs, and XML for different software use cases.

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