Kendo upload widget disappears with angularjs -


i trying use kendo upload widget, , widget disappears when select file, , file undefined, please me ? use es6 , nodejs. think there problem widget.

<div class="demo-section k-content">   <div>     <h4>upload files</h4>     <input name="uploadfile"     ng-model="vm.files"     id="files"     type="file"     kendo-upload     options="vm.options"     />   </div> </div>  import configglobal '../../config/env/index';  class documentcontroller {   /* @nginject */   constructor() {     this.name = 'document';     this.options = {       select: this.test,       async: { saveurl: `${configglobal.default.apiurl}/api/upload/`, removeurl: 'remove', autoupload: true },       upload: this.onupload     };   }    test() {     $('#files').kendoupload();     console.log(this.files);   }    onupload(e) {     $('#files').kendoupload();     console.log(this.files);     const xhr = e.xmlhttprequest;     if (xhr) {       xhr.addeventlistener('readystatechange', () => {         if (xhr.readystate === 1) {           xhr.withcredentials = 0;           console.log(xhr.withcredentials);           console.log(xhr);           xhr.setrequestheader('access-control-allow-origin', 'http://localhost:3500');           xhr.setrequestheader('withcredentials', 'false');         }       });     }   }    $oninit() {     $('#files').kendoupload();   } }  export default documentcontroller;


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