code: function updateConfig(config){
          i18n = config.i18n;
          testVars = config.testVars;
          txtUrl.setAttribute('placeholder', __('jump_placeholder'));
          btnStart.textContent = __('start_button');
          var specLists = config.specLists;
          var arrHtmls = [];
          for(var i in specLists){
              arrHtmls.push('<option>'+specLists[i]+'</option>');
          }
          lstCommons.innerHTML = arrHtmls.join('');
      }
docs: load config