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前端常见bug系列1：容易被误解的:last-child 和 :first-child
用某个选择器过滤出来一个元素集合，当我们想选中最后一个元素的时候，是不是很容易想到:last-child？比如，有下面一段CSS和HTML片段： <style> .section{ margin-bottom: 50px; } .section1-item:last-child{ col...
前端常见bug系列2：:last-of-type 和 :first-of-type的误用
上一篇中曾提到，someselecttor:last-chid 所表示的并不是someselecttor选中的节点集合的最后一个。那么，怎么达到这个效果呢？对，可以用:last-of-type。来个例子试试看吧！ <style> .section{ margin-bottom: 50px; } .section...
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移动用户反馈
用户反馈(Feedback)是一款帮助移动开发者在App内收集消费者问题反馈和意见建议，并且在后台集中分析和回复的产品（此外，自动抓取开发者App在应用市场的评论数据，帮助开发者及时掌握用户对应用的评论）。
产品详情
控制台
最新活动
产品文档
产品概述
名词解释
快速入门
入门指南
下载SDK
开发指南
Android SDK手册
iOS SDK手册
技术支持
钉钉官方答疑群
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移动用户反馈
用户反馈(Feedback)是一款帮助移动开发者在App内收集消费者问题反馈和意见建议，并且在后台集中分析和回复的产品（此外，自动抓取开发者App在应用市场的评论数据，帮助开发者及时掌握用户对应用的评论）。
产品详情
控制台
最新活动
产品文档
产品概述
名词解释
快速入门
入门指南
下载SDK
开发指南
Android SDK手册
iOS SDK手册
技术支持
钉钉官方答疑群
