JSFiddle - React, Tailwind, and code Playground

JavaScript

var json = [{"1":{"url":"http:\/\/web.com\/","catname":"HOBBIES"}},
{"105":{"parent":"1","url":"http:\/\/web.com\/","catname": "TRUCKS"}},
{"1055":{"parent":"105","url":"http:\/\/web.com\/","catname":"TIRES"}} ];



for(var i=0, json_len=json.length; i< json_len; i+=1)
{
    var j = json[i];
    for(var k in j)
    {
       var d=j[k];
       for(var l in d)
           alert( k, ':', l, ':', d[l]);
    }
}