Swiper Slider - same height for slides

swiper-slides-same-height.js

const slider = this;
const wrapper = this.wrapperEl;

[].forEach.call(slider.slides, function(slide) {
  slide.style.height = "";
});

setTimeout(() => {
    [].forEach.call(slider.slides, function(slide) {
      slide.style.height = wrapper.clientHeight + "px";
    });
}, 300);