WeChat Mini Programs's method of handling the event was not executed, suggesting that there is no way to execute the corresponding event

in your own connection project, a swpier component is introduced under the index directory, using the component provided by WeChat Mini Programs. The
code is exactly the same as the one on the official website:
wxml:

<swiper indicator-dots="{{indicatorDots}}"
  autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
  <block wx:for="{{imgUrls}}" wx:key="{{imgUrls}}">
    <swiper-item>
      <image src="{{item}}" class="slide-image" width="355" height="150"/>
    </swiper-item>
  </block>
</swiper>
<button bindtap="changeIndicatorDots"> indicator-dots </button>
<button bindtap="changeAutoplay"> autoplay </button>
<slider bindchange="intervalChange" show-value min="500" max="2000"/> interval
<slider bindchange="durationChange" show-value min="1000" max="10000"/> duration

js:

// conponents/Swipers/NormalSwiper/NormalSwiper.js

Component({
  data: {
    imgUrls: [
      "http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg",
      "http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg",
      "http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg"
    ],
    indicatorDots: false,
    autoplay: true,
    interval: 5000,
    duration: 1000
  },
  changeIndicatorDots: function (e) {
    this.setData({
      indicatorDots: !this.data.indicatorDots
    })
  },
  changeAutoplay: function (e) {
    this.setData({
      autoplay: !this.data.autoplay
    })
  },
  intervalChange: function (e) {
    this.setData({
      interval: e.detail.value
    })
  },
  durationChange: function (e) {
    this.setData({
      duration: e.detail.value
    })
  }
})

clipboard.png

when performing these four operations, it is prompted that there is no way to specify the corresponding events. I think there is no difference between the code and the use provided by the framework in index. What is wrong and how to correct it

Mar.01,2021

has been resolved, the method has been misplaced


? How to solve

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