Comments in JSON
09 Aug 2012JSON does not have comments. A JSON encoder MUST NOT output comments. Douglas Crockford - creator of json http://tech.groups.yahoo.com/group/json/message/152
Want to use comments in JSON even though Douglas doesn’t want you to :)
Using ini, apache, xml, html or // comment formats invalidate your JSON files
invalid_comments.json
{
"name": "Jack (\"Bee\") Nimble", //varchar
"format": {
"type": "rect", //varchar - max 4 characters
"width": 1920, //int
"height": 1080, //int
"interlace": false, //boolean
"frame rate": 24 //int
}
}
As Douglas stated, JSON has no offical support for comments, but it doesn’t mean you can’t add them in other ways
The best way I’ve found to add comments into JSON is to add _comment style elements - after the element your commenting on - into the JSON. Refer below for a valid JSON file with comments.
valid_comments.json
{
"name": "Jack (\"Bee\") Nimble",
"_name_comment":"varchar",
"format": {
"type": "rect",
"_type_comment": "varchar - max 4 characters",
"width": 1920,
"_width_comment": "int",
"height": 1080,
"_height_comment": "int",
"interlace": false,
"_interlace_comment": "boolean",
"frame rate": 24,
"_frame_rate_comment": "int"
}
}
Note:
- Make sure your app ignores the
_commentelements - Use jsonlint.com to validate your JSON
Let me know if you have a better way to do valid comments in JSON
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