小程序取数组下标

.wxml

<view class='article1' wx:for="{{quhao_list1}}" wx:for-item='quhao1' wx:key="index" wx:for-index='idx2'>

     <view class='chakan' bindtap='clicktab3' data-ccc='{{idx2}}'>{{chakan}}</view>

  </view>

.js

clicktab3(e) {

    var that = this;

    var idx2 = e.currentTarget.dataset.ccc;

    wx.navigateTo({

      url: '../quhaodetail1/quhaodetail1?jsonStr1=' + that.data.quhao_list1[idx2].code + '&type=shebao'

    })

  },