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为什么http请求的withCredentials不针对同源请求？

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为什么http请求的withCredentials不针对同源请求？

为什么只有跨域请求需要withCredentials

难道同源请求都不需要带cookie给后端么？


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同源会自动处理处理呐，跨域是受浏览器的同源策略所影响，标准里就是这样定义的


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