javascript - Can't get cookies to set in IE9 -


i'm using following code:

<script>     var time = new date();      time.setfullyear(time.getfullyear() + 1, time.getmonth(), time.getday());      expires = ";expires=" + time.togmtstring();      document.write(expires);      document.cookie = "aardvark=cats; expires= " + time +"; path=/";      document.write('\ndone: ' + document.cookie); </script>

i've put html file , ran locally, , tried running on jsfiddle, , tried uploading site , accessing in browser.

in internet explorer 9, no cookie created on computer. ideas why not?

when looking @ code, might snippet gets executed after dom loaded. loading dom implicitly closes document, whereas document.write needs document opened. if isn't 1 of 3 things can happen:

  • best case: nothing happens, nothing written
  • worse: new page created
  • worst, , sadly common: existing document overwritten

check question on why document.write: not used why document.write considered "bad practice"?

as accepted anser linked question mentions (and since fixed things op, too) calling document.write on xhtml dom doesn't work. ff/chrome/chromium/safari/opera render dom html5 default nowadays. ie9 opt xhtml transitional or something... explicitly setting doctype seemed fix op, i'm guessing <!doctype html> did trick


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