fiddle

ti pidor

JavaScript

var typeList = [];
function fetchJson(url){
    var json = $.getJSON(url, function(json) {
        for(var types in json['objects']){
          if(json['objects'][types]['type'] != 'relationship'){
              console.log(json['objects'][types]['type']);
              document.getElementById('legend').append(document.createTextNode( json['objects'][types]['type']+' ' ));
              typeList += json['objects'][types]['type'];
            }
              
            }
        });
    console.log(typeList);
    }
  
fetchJson('test.json');