JSONC is a lightweight JSON format that allows JavaScript-style comments to be added to JSON. JSONC format (stands for JSON with comments) was created by Microsoft and is used by Visual Studio Code. strip-json-comments will replace single-line comments "//" and multi-line comments /* */ with spaces.JSMin is a minification tool for JavaScript that removes comments and unnecessary whitespace from JavaScript files that can be used for JSON files.JSON.minify will help you discard C/C++ style comments with JavaScript and Node.js.Let's take a look at popular tools that help remove comments from JSON files before parsing them: These tools help us avoid parsing errors, use comments in any form, and avoid treating them as data. We can also use special tools that preprocess JSON files and strip comments from JSON before passing those files to JSON parsing libraries. Therefore, your server should ignore this element when processing the received JSON.Īdding Comments to JSON Using External Tools dumps ( jsondata, separators ( ',', ':' )) Compact JSON structure filename str ( filename ). loads ( filedata) store in json structure jsonstring json. read () store file info in variable jsondata json. This custom comment element will be received and processed in the same way as any other data in JSON on the server-side. 'Minify JSON' filedata open ( filename, 'r', 1 ). The underscore is used as a convention to distinguish comments from the rest of the data. We added the comment as a custom "_comment" element to this JSON comment example. Since JSON is a textual format for storing and exchanging data using key-value pairs, we can add comments as data pairs in JSON. Adding JSON comments as custom JSON elements Therefore, the only option for adding comments to JSON is a workaround to use custom elements to store comments in a JSON file. He describes the reason he removed the comments from the JSON as follows: I removed comments from JSON because I saw people using them to store parsing directives, which would break compatibility. Why doesn't JSON support comments?ĭouglas Crockford, who popularized the JSON data format, deliberately removed comments from JSON to prevent misuse of the JSON format and keep it as a data-only format. You can add comments to JSON as custom JSON elements that will hold your comments, but these elements will still be data. Comments in the form //, #, or /* */, which are used in popular programming languages, are not allowed in JSON. Note This module’s encoders and decoders preserve input and output order by default. This module can thus also be used as a YAML serializer. The MIME type for JSON is application/json. The JSON produced by this module’s default settings (in particular, the default separators value) is also a subset of YAML 1.0 and 1.1. ![]() JSON is used when sending data to or from the server and making API calls. JSON (JavaScript Object Notation) is a lightweight text format for storing and transmitting data over a network. << Back to the JSON Comment example What is JSON? Python code for JSON Comment ExampleThis Python code snippet was generated automatically for the JSON Comment example.
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