maxLengthFunction() {
    Array.prototype.slice.call(this.maxLength, 0).forEach((e) => {
      const max = parseInt(e.getAttribute('maxlength'));
      e.addEventListener('keyup', (evt) => {
        this.nextPreviousElement(evt, max);
      }, false);
    });
  }
/**
   * @method maxLengthFunction
   * @description Add add event
   */
@method maxLengthFunction
@description Add add event
@method maxLengthFunction @description Add add event
maxLengthFunction() {
    Array.prototype.slice.call(this.maxLength, 0).forEach((e) => {
      const max = parseInt(e.getAttribute('maxlength'));
      e.addEventListener('keyup', (evt) => {
        this.nextPreviousElement(evt, max);
      }, false);
    });
  }
maxLengthFunction ( ) { Array . prototype . slice . call ( this . maxLength , 0 ) . forEach ( ( e ) => { const max = parseInt ( e . getAttribute ( 'maxlength' ) ) ; e . addEventListener ( 'keyup' , ( evt ) => { this . nextPreviousElement ( evt , max ) ; } , false ) ; } ) ; }
@method maxLengthFunction
 @description Add add event
@method maxLengthFunction @description Add add event