JSON - Data notation

JSON is a data notation created in 2001 by Douglas Crockford.

#17on PLDB

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In computing, JavaScript Object Notation or JSON ( JAY-sən), is an open-standard file format that uses human-readable text to transmit data objects consisting of attribute–value pairs and array data types (or any other serializable value). It is a very common data format used for asynchronous browser–server communication, including as a replacement for XML in some AJAX-style systems. JSON is a language-independent data format. Read more on Wikipedia...

JSON website
JSON Wikipedia page
JSON docs
There are at least 133 JSON repos on GitHub
JSON first developed in State Software
PLDB estimates there are currently 9k job openings for JSON programmers.
file extensions for JSON include json, 4DForm, 4DProject, avsc, geojson, gltf, har, ice, JSON-tmLanguage, jsonl, mcmeta, tfstate, tfstatebackup, topojson, webapp, webmanifest, yy, yyp and Pipfile.lock
The Google BigQuery Public Dataset GitHub snapshot shows 6 users using JSON in 6 repos on GitHub
ANTLR grammar for JSON
JSON LSP implementation
Pygments supports syntax highlighting for JSON
GitHub supports syntax highlighting for JSON
Indeed.com has 5,872 matches for "json developer".
json.org was registered in 2000
See also: (17 related languages)JavaScript, XML, Java, HTTP, Unicode, UTF-8, ECMAScript, SOAP, YAML, CSV, Protocol Buffers, Gzip, XPath, CSS, Hocon, S-expressions, GeoJSON
Read more about JSON on the web: 1.

Example from hello-world:

{ "hello": "world" }

Example from Linguist:

{
        "id": 1,
        "name": "Foo",
        "price": 123,
        "tags": ["Bar","Eek"],
        "stock": { "warehouse":300, "retail":20 }
}

Example from Wikipedia:

var y = {a: undefined};
 var ys = JSON.stringify(y,
  function (k, v){return (v === undefined) ? "UNDEFINED" : v});