Cannot read property 'dataset' of undefined;at pages/index/index page toDetail function
TypeError: Cannot read property 'dataset' of undefined

代碼如下

toDetail: function (e) {

??? console.log(e);

??? var index = 1

??? index = e.currenTarget.dataset.index;

??? console.log(index);

? }

<view class='item-list'>

? <view class='pro-item'wx:for="{{proList}}" bindtap='toDetail' data-index='{{index}}'>

??? <image class='pro_logo'

????? src='{{item.logo}}'>

??? </image>

??? <view class='pro-body'>

????? <view class='pro-title'>{{item.title}}</view>

????? <text class='pro-desc'>{{item.desc}}</text>

????? <view class='pro-footer'>

??????? <image class='btn_detail'

????????? src='/images/btn_detail.png'>

??????? </image>

???????? <image class='btn_ask'

????????? src='/images/btn_ask.png'>

??????? </image>

????? </view>

??? </view>

? </view>

</view>