JSON

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Method Summary

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Object

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parse(text)
Parses a string as JSON and returns the parsed value.

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Object

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parse(text, reviver)
Parses a string as JSON and returns the parsed value.

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String

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stringify(value)
Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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String

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stringify(value, replacer)
Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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String

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stringify(value, replacer, space)
Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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Method Details

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parse

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Object

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parse

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(text)

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Parses a string as JSON and returns the parsed value.

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Since

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Replace with version info

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Parameters

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{String} text – The string to parse as JSON. See the JSON object for a description of JSON syntax.

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Returns

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Object

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Also see

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External links

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Sample

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JSON.parse('[1, 5, "false"]');

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parse

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Object

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parse

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(text, reviver)

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Parses a string as JSON and returns the parsed value.

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Since

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Replace with version info

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Parameters

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{String} text – The string to parse as JSON. See the JSON object for a description of JSON syntax.
{Function} reviver – A function, prescribes how the value originally produced by parsing is transformed, before being returned.

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Returns

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Object

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Also see

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External links

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Sample

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var transformed = JSON.parse('{"p": 5}', function(k, v) { if (k === "") return v; return v * 2; });

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stringify

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String

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stringify

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(value)

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Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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Since

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Parameters

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{Object} value – The value to convert to a JSON string.

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Returns

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String

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Also see

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External links

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Sample

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JSON.stringify([1, "false", false])

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stringify

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String

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stringify

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(value, replacer)

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Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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Since

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Parameters

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{Object} value – The value to convert to a JSON string.
{Object} replacer – If a function, transforms values and properties encountered while stringifying; if an array, specifies the set of properties included in objects in the final string.

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Returns

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String

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Also see

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External links

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Sample

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function censor(key, value) {  
 if (typeof(value) == "string") {  
   return undefined;  
 }   
 return value;  
}  
      
var foo = {foundation: "Mozilla", model: "box", week: 45, transport: "car", month: 7};  
var jsonString = JSON.stringify(foo, censor);

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stringify

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String

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stringify

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(value, replacer, space)

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Convert a value to JSON, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified

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Since

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Replace with version info

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Parameters

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{Object} value – The value to convert to a JSON string.
{Object} replacer – If a function, transforms values and properties encountered while stringifying; if an array, specifies the set of properties included in objects in the final string.
{Object} space – The space argument may be used to control spacing in the final string. If it is a number, successive levels in the stringification will each be indented by this many space characters (up to 10). If it is a string, successive levels will indented by this string (or the first ten characters of it).

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Returns

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String

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Also see

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External links

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Sample

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JSON.stringify({ uno: 1, dos : 2 }, null, '\t')

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JSON

parse

parse

stringify

stringify

stringify