COSINE_FRONT_END Telegram 2922
#优质博文 #JavaScript #ES2023 #前端 #新特性
虽然但是,传统是这么做的吗(?)
Stop using .reverse().find(): meet findLast() - Matt Smith

AI 摘要:本文介绍了 JavaScript 新增的 findLast() 与 findLastIndex(),它们能高效地从数组末尾开始查找元素,解决传统 .slice().reverse().find() 的性能与可读性问题。文章展示了实际应用场景(如日志查找、消息列表、React 组件状态管理等),并详细说明了使用注意事项、最佳实践和浏览器支持情况。


author Matt Smith



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#优质博文 #JavaScript #ES2023 #前端 #新特性
虽然但是,传统是这么做的吗(?)
Stop using .reverse().find(): meet findLast() - Matt Smith

AI 摘要:本文介绍了 JavaScript 新增的 findLast() 与 findLastIndex(),它们能高效地从数组末尾开始查找元素,解决传统 .slice().reverse().find() 的性能与可读性问题。文章展示了实际应用场景(如日志查找、消息列表、React 组件状态管理等),并详细说明了使用注意事项、最佳实践和浏览器支持情况。


author Matt Smith

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