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Diffstat (limited to 'json.html.markdown')
| -rw-r--r-- | json.html.markdown | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/json.html.markdown b/json.html.markdown index a1629137..cde7bc40 100644 --- a/json.html.markdown +++ b/json.html.markdown @@ -4,18 +4,32 @@ filename: learnjson.json contributors: - ["Anna Harren", "https://github.com/iirelu"] - ["Marco Scannadinari", "https://github.com/marcoms"] + - ["himanshu", "https://github.com/himanshu81494"] + - ["Michael Neth", "https://github.com/infernocloud"] --- -As JSON is an extremely simple data-interchange format, this is most likely going -to be the simplest Learn X in Y Minutes ever. +As JSON is an extremely simple data-interchange format, this is most likely going to be the simplest Learn X in Y Minutes ever. -JSON in its purest form has no actual comments, but most parsers will accept -C-style (`//`, `/* */`) comments. Some parsers also tolerate a trailing comma -(i.e. a comma after the last element of an array or the after the last property of an object), -but they should be avoided for better compatibility. +JSON in its purest form has no actual comments, but most parsers will accept C-style (`//`, `/* */`) comments. Some parsers also tolerate a trailing comma (i.e. a comma after the last element of an array or the after the last property of an object), but they should be avoided for better compatibility. For the purposes of this, however, everything is going to be 100% valid JSON. Luckily, it kind of speaks for itself. +A JSON value must be a number, a string, an array, an object, or one of the following 3 literal names: true, false, null. + +Supporting browsers are: Firefox 3.5+, Internet Explorer 8.0+, Chrome 1.0+, Opera 10.0+, and Safari 4.0+. + +File extension for JSON files is ".json" and the MIME type for JSON text is "application/json". + +Many programming languages have support for serializing (encoding) and unserializing (decoding) JSON data into native data structures. Javascript has implicit support for manipulating JSON text as data. + +More information can be found at http://www.json.org/ + +JSON is built on two structures: +* A collection of name/value pairs. In various languages, this is realized as an object, record, struct, dictionary, hash table, keyed list, or associative array. +* An ordered list of values. In most languages, this is realized as an array, vector, list, or sequence. + +An object with various name/value pairs. + ```json { "key": "value", @@ -52,10 +66,20 @@ For the purposes of this, however, everything is going to be 100% valid JSON. Lu "alternative style": { "comment": "check this out!" - , "comma position": "doesn't matter - as long as it's before the value, then it's valid" + , "comma position": "doesn't matter - as long as it's before the next key, then it's valid" , "another comment": "how nice" - }, - - "that was short": "And, you're done. You now know everything JSON has to offer." + } } ``` + +A single array of values by itself is also valid JSON. + +```json +[1, 2, 3, "text", true] +``` + +Objects can be a part of the array as well. + +```json +[{"name": "Bob", "age": 25}, {"name": "Jane", "age": 29}, {"name": "Jack", "age": 31}] +``` |