moveRight() {
    this.moveDirection = 'right';
    this.wrapper.classList.remove('moveleft');
    this.wrapper.classList.add('moveright');
  }
// add a css-class called 'moveright' on the wrapper element, concequently trigger a css animation which move the wrapper on x-axis by 640px.
add a css-class called 'moveright' on the wrapper element, concequently trigger a css animation which move the wrapper on x-axis by 640px.
add a css - class called ' moveright ' on the wrapper element concequently trigger a css animation which move the wrapper on x - axis by 640px .
moveRight() {
    this.moveDirection = 'right';
    this.wrapper.classList.remove('moveleft');
    this.wrapper.classList.add('moveright');
  }
moveRight ( ) { this . moveDirection = 'right' ; this . wrapper . classList . remove ( 'moveleft' ) ; this . wrapper . classList . add ( 'moveright' ) ; }
add a css-class called 'moveright' on the wrapper element, concequently trigger a css animation which move the wrapper on x-axis by 640px.
add a css - class called ' moveright ' on the wrapper element concequently trigger a css animation which move the wrapper on x - axis by 640px .