JavaScript-what is the expiry date of cookies from the client, and why does the cookies read from clients are not valid?

Set the validity period from the server to 7 days, from being able to see

However, after the successful setting, the cookies read from the local are not valid two is N/A, which is why?

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Set the validity period from the server to 7 days, from being able to see

However, after the successful setting, the cookies read from the local are not valid two is N/A, which is why?

Because this is the requested cookie Yes = = The request does not need to ask for the validity period = =

This is a normal Request cookie just need to know the name of the cookie, you can look at the resources of the option card of the cookies have recorded the current cookie status

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