Working with JSON — Syntax Rules and Data Types

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JSON stands for JavaScript Object Notation.

It’s a popular data-interchange format that has many uses.

In this article, we’ll take a look at how to use JSON.

Syntax Validation

We can validate the syntax for JSON with many tools.

Many IDEs like WebStorm and text editors like Visual Studio Code have JSON validation capabilities built-in.

There are also many websites that let us validate our JSON code.

They include:

• JSON Formatter and Validator
• JSON Editor Online
• JSON Lint

They all provide syntax highlighting and will show errors if there are any errors with the syntax.

JSON as a Document

JSON can be used as documents. We just have to save it with the .json extension to use them.

The JSON MediaType

JSON has its own MIME type, which is application/json .

It’s a standard Internet media type that we can use for communication.

JSON Data Types