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Diffstat (limited to 'json.html.markdown')
| -rw-r--r-- | json.html.markdown | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/json.html.markdown b/json.html.markdown index f57b82b8..cde7bc40 100644 --- a/json.html.markdown +++ b/json.html.markdown @@ -4,19 +4,36 @@ 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. For the purposes of this, however, everything is -going to be 100% valid JSON. Luckily, it kind of speaks for itself. +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", - + "keys": "must always be enclosed in double quotes", "numbers": 0, "strings": "Hellø, wørld. All unicode is allowed, along with \"escaping\".", @@ -46,13 +63,23 @@ going to be 100% valid JSON. Luckily, it kind of speaks for itself. [0, 0, 0, 1] ] ], - + "alternative style": { "comment": "check this out!" - , "comma position": "doesn't matter - as long as its before the value, then its 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}] +``` |