有bindscroll,但是没有滚动结束的事件啊.... 那怎样判断滚动结束呢

多次连续滑动会卡死，只能杀进程才能恢复。

没有规律，偶尔会出现这种情况。（下图是卡住的画面。） [图片]

图片较多多试几次必定复现 <swiper class='swiperView' bindchange='swiperChange'>    <swiper-item wx:for="{{arr}}" wx:key="" wx:for-index="index">        <image src="{{item.imgPath}}" />    swiper-item> swiper> JS代码 arr: [{ id: 495761, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/k4KAssS2rwyaXEfpKfYxCaeDNmydNTa3.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495762, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/apsKYEsHZx8MAdC6ZsaQCap2rkiTxzRW.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495763, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/xbHadJZDJSGawprFxP6NTP58pXttS3mA.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495764, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/epY4sXtRPd6RXFwiPHZWKidsecSfaQCh.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495765, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/Mcf2eekPeDjdyEensQRXmtDeM75FG7ZB.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495766, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/Jrw5xZ8K4EZzJHhs4GRpZS2nWDdhXZn5.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495767, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/8d4tkc8n4BmHi5D433b5kKCy2QwKf2rS.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495768, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/TjQRRCjzYhCP7Nr3C36BsFdXfxNmdGK4.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495769, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/hYsnzms7NXjfnHtephP8bMiJRbRaENRF.jpg", imgType: 1, imgLocation: "effect", imgLocationName: "效果图" }, { id: 495770, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/ZKrdQZBbtXSYA5EEdZ57semrBnDsydNC.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495771, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/t86ttGNsT7FyweFybM3cN5Q6GjTGsbTj.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495772, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/YXFwW86djC44jhDy2bhzRtkDnM8ar4ta.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495773, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/bzkT6cQ7KhFnNHpTfpcWT4K52FmN4py7.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495774, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/sk3DpJY36FnPjF8sfx5ehTp2y2hzfpEX.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495775, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/KMW3MBcSMCFB4fHaJH22Js3cEZEAid4h.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495776, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/2efRTD6QrbeFzr6Yn2bJsMWcDjrr5XPp.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495777, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/enQTdjT2mCAXHPnyd7yiK58766TpXck8.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495778, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/4iCiHExAyJa6QSDYKfy2stAZMwy8zKcp.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495779, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/h4rE3yfcZB8jzZMzARJP42zYCm4YA2XE.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495780, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/AxtatPjTRmjcDZ74BHCywpaniNyfXKSa.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495781, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/Bnk4jm4BE8Rkn2spKZWABJxmhnj7tjQh.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495782, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/y3wfW5AyAbGC6J8iStT7f4kTfccCyBEe.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495783, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/znw2Jxr5PtJjWwtBrCxAYhyQjBYSM2Kk.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495784, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/DBeeaWFreDtGnzKKAwQeAHpfX5FAADfK.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495785, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/3NTYZhSjDeC48aW5xQ8MFEH3ztXR4RRd.png", imgType: 1, imgLocation: "real", imgLocationName: "实景图" }, { id: 495786, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/c8YXQDz8MrwtrHCXxCepRNTBhTCjm6RM.png", imgType: 1, imgLocation: "match", imgLocationName: "配套图" }, { id: 495787, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/35Gw6me3ZwbtH6WQPErN8MPGpdAQ3C8m.png", imgType: 1, imgLocation: "match", imgLocationName: "配套图" }, { id: 495788, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/PYASpcRmizE8CXrf6KhpRnGpzCX7JWJN.jpg", imgType: 1, imgLocation: "match", imgLocationName: "配套图" }, { id: 495789, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/NEJJzAAHQ7mTT2KxcXxkmSWd67mMMwRz.jpg", imgType: 1, imgLocation: "match", imgLocationName: "配套图" }, { id: 495790, imgPath: "http://t-sjpt-oss.oss-cn-shenzhen.aliyuncs.com/images/devImage/3BsdAcscDNNntQFehdSssmhrfKia5FQZ.png", imgType: 1, imgLocation: "match", imgLocationName: "配套图" }], swiperChange: function (e) { console.log("current", e.detail.current) }, [图片] 快速划动过程中突然变为0，就卡死不能滑动。