JSON Tutorial
JSON: JavaScript Object Notation.
JSON is a syntax for storing and exchanging data.
JSON is an easier to use alternative to XML.
This JSON syntax defines an employees object, with an array of 3 employee records (objects):
JSON Example
{"employees":[
{"firstName":"John", "lastName":"Doe"},
{"firstName":"Anna",
"lastName":"Smith"},
{"firstName":"Peter", "lastName":"Jones"}
]}
This XML syntax also defines an employees object with 3 employee records:
XML Example
<employees>
<employee>
<firstName>John</firstName> <lastName>Doe</lastName>
</employee>
<employee>
<firstName>Anna</firstName> <lastName>Smith</lastName>
</employee>
<employee>
<firstName>Peter</firstName> <lastName>Jones</lastName>
</employee>
</employees>
What is JSON?
- JSON stands for JavaScript Object Notation
- JSON is lightweight data interchange format
- JSON is language independent *
- JSON is "self-describing" and easy to understand
 |
* JSON uses JavaScript syntax, but the JSON format is text only, just
like XML.
Text can be read and used as a data format by any programming
language. |
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