Swiper輪播切換暫停youbute視頻

 new swiper('.J-video-swiper',{
                navigation: {
                    nextEl: '.J-video-swiper .swiper-button-next',
                    prevEl: '.J-video-swiper .swiper-button-prev',
                },
                on: {
                    slideChangeTransitionEnd: function(){
                        var $previousVideoIframe = $('.J-video-swiper .swiper-slide').eq(this.previousIndex).find('.v-iframe-box iframe');
                        $previousVideoIframe[0].contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}', '*')
						//stopVideo:停止視頻; pauseVideo:暫停; playVideo:播放視頻		
					},
                }
			});