js实现评论框展开和隐藏

1.效果图如下所示， 点击评论会在对应的评论区域展开评论输入框，点击取消会取消对应的评论输入框 2.html代码：需要引入jquery.js < div class = "nr-comment" > < div class = "nr-comment-con" > < div class = "nr-comment-nav" > < div class = "comment-number" > <

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