JSON is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays .
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JSON is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays .
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JSON grew out of a need for a stateless, real-time server-to-browser communication protocol without using browser plugins such as Flash or Java applets, the dominant methods used in the early 2000s.
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Precursor to the JSON libraries was used in a children's digital asset trading game project named Cartoon Orbit at Communities.
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JSON was based on a subset of the JavaScript scripting language and is commonly used with JavaScript, but it is a language-independent data format.
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Code for parsing and generating JSON data is readily available in many programming languages.
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Crockford added a clause to the JSON license stating that "The Software shall be used for Good, not Evil, " in order to open-source the JSON libraries while mocking corporate lawyers and those who are overly pedantic.
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JSON became a strict subset of ECMAScript as of the language's 2019 revision.
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Early versions of JSON required that a valid JSON text must consist of only an object or an array type, which could contain other types within them.
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Numbers in JSON are agnostic with regard to their representation within programming languages.
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JSON disallows "trailing commas", a comma after the last value inside a data structure.
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JSON-RPC is a remote procedure call protocol built on JSON, as a replacement for XML-RPC or SOAP.
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JSON-RPC lets a system send notifications and multiple calls to the server that can be answered out of order.
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Suppose you are using JSON to keep configuration files, which you would like to annotate.
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JSON is promoted as a low-overhead alternative to XML as both of these formats have widespread support for creation, reading, and decoding in the real-world situations where they are commonly used.
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JSON has several types built-in and has a similar schema concept in JSON Schema.
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