let hasclass=function hasClass(element, cls) {
  return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
};
let language=window.localStorage.getItem("language");
switch(language){
  case "en":
    break;
  case "cn":
  default:language="cn";
}
for(var ele of document.getElementsByClassName
 
("translate")){
  ele.innerText=ele.getAttribute('data-'+language);

}

window.localStorage.setItem("language","cn")
window.location.reload()