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Json

JSON is a lightweight data-interchange format that is easy for humans to read and write. It uses JavaScript object notation syntax to represent data as key-value pairs and arrays. JSON is commonly used for transmitting data in web applications.

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Noor Rafi
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23 views5 pages

Json

JSON is a lightweight data-interchange format that is easy for humans to read and write. It uses JavaScript object notation syntax to represent data as key-value pairs and arrays. JSON is commonly used for transmitting data in web applications.

Uploaded by

Noor Rafi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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JSON

 JSON is an acronym for JavaScript Object Notation.


 Lightweight and text-based, designed explicitly for human-readable data interchange.
 It supports data structures like objects and arrays.
 Data is represented in key-value pairs.
 Curly braces hold objects.
 Colon is followed after each name.
 Comma is used to separate key-value pairs.
 Square brackets are used to hold arrays, where each value is comma-separated.

Why do we use JSON?


 Less Verbose.
 Faster.
 Readable.
 Structured Data.

JSON Data Types


 String - always written in double-quotes. Ex: "student".
 Number.
 Boolean.
 Null.

JSON Objects

{"name" : "Jack", "employeeid" : 001, "present" : false}

 Enclosed in curly brackets.


 Key has to be a string.
 Values have to be a valid JSON data type such as string, number, and object, Boolean or
null.
 Key and values are separated by a colon.
 A comma separates each key/value pair.

JSON Arrays
 Enclosed in square brackets [ ].
 An array value can be a string, number, object, array, Boolean or null.
Out
put:
JSON Vs XML
JSON doesn't support comments. It is not a standard.

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