code: function parseArray(tag, attrs, content, indentStr, indentLevel) {
      let html = '';
      for (let item of content) {
          if (getType(item)==='object') {
              let innerAttrs = getAttributes(item);
              let innerContent = TEXT in item ? item[TEXT] : '';
              html += renderElement(tag, innerAttrs, innerContent, indentStr, indentLevel);
          } else {
              html += renderElement(tag, attrs, item, indentStr, indentLevel);
          }
      }
      return html;
  }
docs: array members - pass each item of array to renderElement()