text: export default function getXmlHttpRequest(){
      if(window.XMLHttpRequest){
          try{return new XMLHttpRequest();}
          catch(e){}
      }else if(window.ActiveXObject){
          try{return new ActiveXObject("Microsoft.XMLHTTP");}
          catch(e){}
          try{return new ActiveXObject("Msxml2.XMLHTTP");}
          catch(e){}
      }
      return null;
  }