krot

cookie set

Apr 5th, 2018
42
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  1. function createCookie(name, value, days) {
  2.     var expires;
  3.  
  4.     if (days) {
  5.         var date = new Date();
  6.         date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
  7.         expires = "; expires=" + date.toGMTString();
  8.     } else {
  9.         expires = "";
  10.     }
  11.     document.cookie = encodeURIComponent(name) + "=" + encodeURIComponent(value) + expires + "; path=/";
  12. }
  13.  
  14. function readCookie(name) {
  15.     var nameEQ = encodeURIComponent(name) + "=";
  16.     var ca = document.cookie.split(';');
  17.     for (var i = 0; i < ca.length; i++) {
  18.         var c = ca[i];
  19.         while (c.charAt(0) === ' ')
  20.             c = c.substring(1, c.length);
  21.         if (c.indexOf(nameEQ) === 0)
  22.             return decodeURIComponent(c.substring(nameEQ.length, c.length));
  23.     }
  24.     return null;
  25. }
  26.  
  27. function eraseCookie(name) {
  28.     createCookie(name, "", -1);
  29. }
  30. doc https://www.quirksmode.org/js/cookies.html
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