JSON Stands for JavaScript Object Notation. It can be
interpreted as the syntax/naming convention of defining objects in javascripts.
Data is stored in the form of key-value pairs.
A value can be an object as well (which is again a JSON). It
supports nested objects
Key can be set with or without a string wrapper.
var JSONObject1 = {”key” : 1, “Key2” : 2}
var JSONObject2=
{key1: 1, key2 :2};
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Symbol
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Used for
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{}
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Wraps the object
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[]
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Wraps an array
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“” or
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Wraps a string
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:
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Key value separator or assignment operator
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,
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Element separator on arrays or objects
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Example:
-
var JSONObject = {“key” : value, “key” : valye};
-
var nestedJSONObject = {“key” : value, “key” :
{“key” : value}};
-
var JSONObjectWith Array = {“key” : value, “key”
: [value1,value2, value3]};
Accessing properties of a JSON
var myJSONObject= {“bindings” : [
{“ircEvent” : “PRIVMSG”, “method” :
“newURI”, “regex” : “^http://.*”}
{“ircEvent” : “PRIVMSG”, “method” :
“deleteURI”, “regex” : “^delete.*”}
{“ircEvent” : “PRIVMSG”, “method” :
“randomURI”, “regex” : “^random.*”}
]
};
console.log(myJSONObject.bindings[0].method);
/*newURI */
var myJSONObject= {“bindings” : [
{“ircEvent” : “PRIVMSG”, “method” :
“newURI”, “regex” : “^http://.*”}
{“ircEvent” : “PRIVMSG”, “method” :
“deleteURI”, “regex” : “^delete.*”}
{“ircEvent” : “PRIVMSG”, “method” :
“randomURI”, “regex” : “^random.*”}
]
};
console.log(myJSONObject.bindings[0].method);
/*newURI */
