我想知道京东网站上删除订单是如何操作的，我用用chrome的审查元素看了下“删除”按钮,发现他是用JS绑定事件做的，在按钮上的a标签元素绑定了函数,函数的第一个参数就是订单ID号，我不改订单号的情况下可以正常删除,我故意用chrome把这个函数的订单号修改了，再点击"删除"按钮，没任何反应.请问大家，这个防止恶意操作是如何实现的呢？？详细点
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我想知道京东网站上删除订单是如何操作的，我用用chrome的审查元素看了下“删除”按钮,发现他是用JS绑定事件做的，在按钮上的a标签元素绑定了函数,函数的第一个参数就是订单ID号，我不改订单号的情况下可以正常删除,我故意用chrome把这个函数的订单号修改了，再点击"删除"按钮，没任何反应.请问大家，这个防止恶意操作是如何实现的呢？？详细点
服务器验证了1提交的商品是不是有效的、2该商品是不是存在于你的购物车中、
post 返回了验证结果、js处理、
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