JSON Tutorial for Beginners | JSON Data Types? | Part-4

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JSON Data Types













---Valid Data Types

In JSON, values must be one of the following data types:

    a string
    a number
    an object (JSON object)
    an array
    a boolean
    null

JSON values cannot be one of the following data types:

    a function
    a date
    undefined


   
JSON Strings

Strings in JSON must be written in double quotes.
Example
{ "name":"John" }

JSON Numbers

Numbers in JSON must be an integer or a floating point.
Example
{ "age":30 }


JSON Objects

Values in JSON can be objects.


{
"employee":{ "name":"John", "age":30, "city":"New York" }
}


JSON Arrays

Values in JSON can be arrays.
Example
{
"employees":[ "John", "Anna", "Peter" ]
}

JSON Booleans

Values in JSON can be true/false.
Example
{ "sale":true }



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