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我是本机反应的新手，并尝试创建一个简单的选项选择屏幕。我要做的就是选择一个选项，该选项会改变它的颜色，当我选择不同的选项时，前一个选项会变成其原始形式。我尝试查找相关视频，但其他人将其设为下拉列表，我希望它出现在屏幕上。
这是我想要做的虚拟解释
i have trouble with sorting an object in loop. when i do this code i get an Uncaught TypeError: Object # has no method 'sort' . why?) i googled this but doesn't found resolve
