'''JSON''' ('''[[JavaScript]] [[object oriented programming|Object]] [[wikt:notation|Notation]]''') is a way of [[wikt:express|express]]ing [[information]].<ref name="rfc4627">{{cite web|url=http://datatracker.ietf.org/doc/rfc4627/?include_text=1 |title=RFC 4627 |publisher=Datatracker.ietf.org |date=2011-10-26 |accessdate=2011-10-31}}</ref> JSON is usually easy to understand. It can express information like [[XML]].<ref>{{Cite web|date=2022-07-30|title=What is the JSON format? {{!}} Data Basecamp|url=https://databasecamp.de/en/data/json-en|access-date=2022-08-11|language=en-US}}</ref> It is based on JavaScript's notation for object literals.<ref name="jsonorg">{{cite web|url=http://www.json.org/ |title=JSON |publisher=JSON |accessdate=2011-10-31}}</ref> However, JSON is stricter.<ref name="jsonorg" /> JSON and [[XML]] are both often used in [[AJAX]].<ref>{{cite web |url=http://ajaxonomy.com/2010/xml/json-beats-xml-or-ajaj-vs-ajax |title=JSON Beats XML, or Ajaj vs Ajax |publisher=Ajaxonomy |date=2010-12-07 |accessdate=2011-10-31 |archive-date=2011-10-14 |archive-url=https://web.archive.org/web/20111014101740/http://ajaxonomy.com/2010/xml/json-beats-xml-or-ajaj-vs-ajax |url-status=dead }}</ref> Even though JSON is named after JavaScript, it can be used in other [[programming language]]s, such as [[Python (programming language)|Python]] ([[PHP]], etc.)<ref>{{cite web|url=http://docs.python.org/library/json.html |title=18.2. json — JSON encoder and decoder — Python v2.7.2 documentation |publisher=Docs.python.org |accessdate=2011-10-31}}</ref> == Example == This is an example of JSON: <syntaxhighlight lang="javascript"> { "firstName": "John", "lastName" : "Smith", "age"  : 25, "address"  : { "streetAddress": "21 2nd Street", "city"  : "New York", "state"  : "NY", "postalCode"  : "10021" }, "phoneNumber": [ { "type"  : "", "number": "212 555-1234" }, { "type"  : "fax", "number": "646 555-4567" } ] } </syntaxhighlight> '''JSON Encoding and Decoding in Python''' Encoding: <syntaxhighlight lang="python"> import json sampleDict = { "firstName": "John", "lastName" : "Smith" } sampleJson = json.dumps(sampleDict, indent=4) </syntaxhighlight> Decoding: <syntaxhighlight lang="python"> import json # A JSON string or can be a JSON response sampleJson = """{ "firstName": "John", "lastName" : "Smith"}""" sampleDict = json.loads(sampleJson) print(sampleDict['firstName']) print(sampleDict['lastName']) </syntaxhighlight> == References == {{reflist}} == Other websites == * [http://json.org JSON website] {{tech-stub}} [[Category:JavaScript]]