Swiper 根据宽度响应式的显示不同的个数

Question

var swiper = new Swiper('.swiper-container', {
  slidesPerView: 1,
  spaceBetween: 40,
  breakpointsInverse: true,
  breakpoints: { 
    //当宽度大于等于320
    320: {
      slidesPerView: 2,
      spaceBetween: 10
    },
   //当宽度大于等于480
    480: { 
      slidesPerView: 3,
      spaceBetween: 20
    },
    //当宽度大于等于640
    640: {
      slidesPerView: 4,
      spaceBetween: 30
    }
  }
})