微信小程序实现点击按钮修改字体颜色功能【附demo源码下载】

<view class="view" style="color:{{color}}">我是view标签</view><view style="display:flex;">    <block wx:for="{{colorArray}}" wx:key="" wx:for-item="Color">    <button class="btn" style="background:{{Color}};" type="default" bindtap="bindtap{{index}}"></button>  </block></view>

var pageData={}pageData.data={  color:'black',  colorArray:['red','blue','yellow','green','black']}for(var i=0;i<5;++i){  (function(index){    pageData['bindtap'+index]=function(e){      this.setData({        color:this.data.colorArray[index]      })    }  })(i)}Page(pageData)