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问题描述 [问题描述:map循环中 匿名函数传参不生效]
[或者可以直接贴源代码,能贴文字就不要截图]
export default class Question extends Component<Props,State> { onClick = (index) => { console.log(index) } render() { return( <View> {arr.map((item,index) => ( <View key={index} onClick={() => this.onClick(index)}> {item} </View> ))} </View> ) } } // ```js // 代码放这里(前后的 "```" 有助 Mardown 整理代码格式和加入代码高亮) **期望行为** [期望可以console.log输出数据] **报错信息** [没有执行函数] **系统信息** - 操作系统: [Windows 10] - Taro 版本 [1.3.0-beta.1] - Node.js 版本 [e.g. v9.0.0] - 报错平台 [ weapp]
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CC @yuche
规范里面有说,不能在 JSX 参数中使用匿名函数~~
e29ebcc
yuche
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问题描述
[问题描述:map循环中 匿名函数传参不生效]
[或者可以直接贴源代码,能贴文字就不要截图]
The text was updated successfully, but these errors were encountered: