as shown in the figure above, how to use wx:if, in wx:for to dynamically modify the value of item.isCollected in wx:if.
look for an answer.
as shown in the figure above, how to use wx:if, in wx:for to dynamically modify the value of item.isCollected in wx:if.
look for an answer.
wxml :
<view bindtap="tapHandler" data-index="{{index}}"> js :
tapHandler:function(e) {
let index = e.currentTarget.dataset.index
let items = this.data.items
items[index].isCollected = !items[index].isCollected
this.setData({
items
})
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