code: function load() {
        var key, data, value, pos = 0;
  
        items = {};
  
        // localStorage can be disabled on WebKit/Gecko so make a dummy storage
        if (!hasOldIEDataSupport) {
          return;
        }
  
        function next(end) {
          var value, nextPos;
  
          nextPos = end !== undefined ? pos + end : data.indexOf(',', pos);
          if (nextPos === -1 || nextPos > data.length) {
            return null;
          }
  
          value = data.substring(pos, nextPos);
          pos = nextPos + 1;
  
          return value;
        }
  
        storageElm.load(userDataKey);
        data = storageElm.getAttribute(userDataKey) || '';
  
        do {
          var offset = next();
          if (offset === null) {
            break;
          }
  
          key = next(parseInt(offset, 32) || 0);
          if (key !== null) {
            offset = next();
            if (offset === null) {
              break;
            }
  
            value = next(parseInt(offset, 32) || 0);
  
            if (key) {
              items[key] = value;
            }
          }
        } while (key !== null);
  
        updateKeys();
      }
docs: Loads the userData string and parses it into the items structure.