text: // index.js
  import style from './mask.css';
  var $mask = document.getElementById("n-mask");
  var classVal = $mask.getAttribute("class", classVal);
  var Mask = {
      push(compon) {
          var componDom = compon.render();
          $mask.appendChild(componDom);
          $mask.setAttribute("class", `${style.create}`);
      },
  
      delete() {
          console.log("mask is" + classVal);
          classVal.replace(`${style.create}`, "");
          $mask.setAttribute("class", `${style.remove}`);
      }   
  
  }
  
  export { Mask }; 
  