Javascript-I have set the cookie validity period from the server. why is the cookie read from the client not valid?

The period of validity is set from the server side for 7 days. it can be seen that after the setting is successful, the cookies read from the local machine are not valid for 2. why?

The validity period is set for 7 days on the server.

However, after the setting is successful, the cookies read from the local machine are not valid for period 2: N/A. why?

Reply content:

The validity period is set for 7 days on the server.

However, after the setting is successful, the cookies read from the local machine are not valid for period 2: N/A. why?

Because this is the cookie requested = The request does not need a validity period =

This is a normal Request Cookie. you only need to know the cookie name. you can check the Cookies on the Resources tab to record the current Cookie status.