jQuery jAM, Season 6

	 
function buildTable(data) {
     var table = document.createElement('table');
     var tr = document.createElement('tr');
     var td = document.createElement('td');
     var keyNames = Object.keys(data[0]);
     for(var i = 0; i < keyNames.length; i++){
       var th = document.createElement('th');
       var title = document.createTextNode(keyNames[i]);
       th.appendChild(title);
        tr.appendChild(th);
     }
     
     table.appendChild(tr); 
     
     data.forEach(function(object){
     	var row = document.createElement("tr");
       	keyNames.forEach(function(keyName){
		var cell = document.createElement("td");
        cell.textContent = object[keyName];
         row.appendChild(cell);
        });
       table.appendChild(row);
     });
     return table;
  }
  document.body.appendChild(buildTable(MOUNTAINS));