javascript object notation
{
"first_name": "Taylor",
"last_name": "Hawkes",
"age": 31,
"address": {
"street": "954 Kazaam Lane",
"city": "Boulder",
"state": "CO",
"postalCode": "80303"
},
"emails": [
{
"type": "main",
"number": "[email protected]"
},
{
"type": "secondary",
"number": "[email protected]"
}
]
}what is JSON
JavaScript Object Notation
Its a key value pair
its popular light-weight way of transfering data
for example :
Lets try to create a json for Person Object
with name , age , isMarried , gender
Its ket value pair
the key is always String and need to be in quotation
value can be :
String
Number
Boolean
null
array
another json object
This is one json with 5 fields
each key value pair should be separated by comma
{
"name" : "Anna",
"age" : 18 ,
"isMarried" : false ,
"gender" : "female",
"company" : null
}What is JSON?
● It is JavaScript Object Notation (is a minimal, readable format
for structuring data.)
● It is used primarily to transmit data between a server
and web application, as an alternative to XML.
● Basically, a lightweight version of XML
● In Key: Value format
● Key is always in double quotes and value if
string its double quotes and if numbers no quotes
● It is purely based on http protocol, -
so it hits the link on the browser and see the resultsCopyright © 2021 Codeinu
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