That depends entirely on which parser you’re using. People have wanted comments so badly there are parsing libraries (and proposed revisions to JSON) that include comments. And sometimes those comments are used to provide processing directives.
> Suppose you are using JSON to keep configuration files, which you would like to annotate. Go ahead and insert all the comments you like. Then pipe it through JSMin before handing it to your JSON parser.
https://json5.org/ Jsonnet https://www.npmjs.com/package/comment-json
> Suppose you are using JSON to keep configuration files, which you would like to annotate. Go ahead and insert all the comments you like. Then pipe it through JSMin before handing it to your JSON parser.