What is the json file for?

json file is a lightweight data exchange format that is easy for humans to read and write. It is also easy to parse and generate by machines. JSON uses a completely language-independent text format, but also uses habits similar to the C language family.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

JSON(JavaScript Object Notation) is a lightweight data exchange format. Easy for humans to read and write. It is also easy for machines to parse and generate. It is based on JavaScript Programming Language, a subset of Standard ECMA-262 3rd Edition - December 1999.

JSON adopts a completely language-independent text format, but also uses habits similar to the C language family (including C, C, C#, Java, JavaScript, Perl, Python, etc.). These properties make JSON an ideal data exchange language.

JSON is constructed from two structures. One is a collection of name/value pairs. In different languages, it is understood as an object, a record, a struct, a dictionary, a hash table, a keyed list, or an associative array. array).

The second is an ordered list of values ​​(An ordered list of values). In most languages, it is understood as an array.

Extended information:

JSON brief history

JSON (JavaScript Object Notation) is a lightweight level data exchange format. Easy for humans to read and write. It is also easy for machines to parse and generate. It is based on JavaScript Programming Language, a subset of Standard ECMA-262 3rd Edition - December 1999.

JSON is a data format that Douglas Crockford began to promote in 2001. It officially became a mainstream data format from 2005 to 2006. It was at that time that Yahoo and Google began to use the JSON format extensively.

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