1function appendData(data) {
2  var mainContainer = document.getElementById("myData");
3  for (var i = 0; i < data.length; i++) {
4    var div = document.createElement("div");
5    div.innerHTML = 'Name: ' + data[i].firstName + ' ' + data[i].lastName;
6    mainContainer.appendChild(div);
7  }
8}

1superHeroes['members'][1]['powers'][2]