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XML

We can't talk about JSON without mentioning XML. XML, or "Extensible Markup Language" is a text-based format for representing structured information, like JSON - but different (and a bit more verbose).

XML Syntax

XML is a markup language like HTML, but it's more generalized in that it does not use predefined tags. Just like how in a JSON object keys can be called anything, XML tags can also have any name.

XML representing a movie:

<root>
  <id>1</id>
  <genre>Action</genre>
  <title>Iron Man</title>
  <director>Jon Favreau</director>
</root>

The same data in JSON:

{
  "id": "1",
  "genre": "Action",
  "title": "Iron Man",
  "director": "Jon Favreau"
}