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A comment on Why use www?. Parent comment

Re:Why use www? by manigandham on Sunday January 31, 2016 @02:41PM (#11007667)
They're not the same thing. Cookies add state to HTTP which is very useful, compared to LocalStorage which is really just client-side storage that can also be used to store state but at the higher web application level rather than HTTP.
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Re:Why use www? by sandstrom on Sunday January 31, 2016 @06:35PM (#11008689)
If you need state you typically use JS + XHR and can set your own headers. Cookies are just header values with some predefined behaviour wrapped around them.
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Re:Why use www? by manigandham on Sunday January 31, 2016 @06:48PM (#11008731)
Sure, which again means it's on a web application level rather than working at the HTTP level.

There are lots of uses for cookies without having JS or a full browser available.

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