How to request Last-Modified header via JS?

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Vladimir Mukovoz2017-08-02 01:10:51

Bootstrap

Vladimir Mukovoz, 2017-08-02 01:10:51

I need to read the value of the Last-Modified header and push it into a variable so that I can then compare it with the date header of the current page (is it already open or will I have to open it again to read it?). Which also needs to be accounted for. Can you tell me how to count them?

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1 answer(s)

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Stalker_RED, 2017-08-02
@castomi

1. document.lastModified
2. XMLHttpRequest.getResponseHeader()