$.ajax({
                method: 'GET',
                url: 'https://rawgit.com/rajeshdesigner/testgit/master/colorsdata.json',
                dataType: 'json',
                success: function (data) {
                    $.each(data, function(index, obj){
                        $.each(obj, function(index, element) {
                            $('#show-data').append(element.key + element.value + '<br/>');
                        });
                    });
                }
           });

{
      "items": [
        {
          "key": "First",
          "value": 100
        },{
          "key": "Second",
          "value": 200
        },{
          "key": "Last",
          "value": "Mixed"
        }
      ],
      "obj": {
        "number": 1.2345e-6,
        "enabled": true
      },
      "message": "Hello!"
    }