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40. 如何删除 cookie #57

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webVueBlog opened this issue Jun 9, 2022 · 0 comments

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深入理解JS核心技术

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webVueBlog commented Jun 9, 2022

您可以通过将到期日期设置为已通过日期来删除 cookie。在这种情况下，您不需要指定 cookie 值。例如，您可以删除当前页面中的用户名 cookie，如下所示。

document.cookie =
  "username=; expires=Fri, 07 Jun 2019 00:00:00 UTC; path=/;";

注意：您应该定义 cookie 路径选项以确保删除正确的 cookie。除非您指定路径参数，否则某些浏览器不允许删除 cookie。

webVueBlog added the 深入理解JS核心技术 label

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