Is possible to create a webpage by JSON

As title. Can we has a possible way to create a webpage by JSON like the example?

EXAMPLE:

{
  "!DOCTYPE": "JSON",
  "json": {
       "head": {
           "title" :"a webpage create by JSON"
       },
       "body": {
           "div": {
                "p": "foo"
           },
           "span": "bar"
       }
   }
}