- Both JSON and XML are "self describing" (human readable)
- Both JSON and XML are hierarchical (values within values)
- Both JSON and XML are language independent
- Both JSON and XML can be parsed and used by lots of programming languages
- Both JSON and XML can be fetched with an XMLHttpRequest

+ JSON doesn't use end tag
+ JSON is shorter
+ JSON is quicker to read and write
+ JSON can use arrays
+ Better Performance
+ JSON can be parsed easily
+ JSON object has a type
+ All major JavaScript frameworks support JSON
+ Supported by all major JavaScript frameworks
+ Supported by most backend technologies
+ JSON is recognized natively by JavaScript (as object)
- JSON doesn't support comments
- JSON can not use attributes
- JSON offers poor extensibility as no namespace support
- Supports limited data types

{
   "company": Volkswagen,
   "name": "Vento",
   "price": 800000
}

<car>
   <company>Volkswagen</company>
   <name>Vento</name>
   <price>800000</price>
</car>

{
   "employees":[
      {"firstName":"John", "lastName":"Doe"},
      {"firstName":"Anna", "lastName":"Smith"},
      {"firstName":"Peter", "lastName":"Jones"}
   ]
}

<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>