https://www.huf.org.tw/sites/all/modules/text_resize/jquery.cookie.js?tlhy7a

1// $Id: jquery.cookie.js,v 1.1.4.1 2010/01/12 15:32:29 attheshow Exp $
2
3/**
4 * Cookie plugin
5 *
6 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
7 * Dual licensed under the MIT and GPL licenses:
8 * http://www.opensource.org/licenses/mit-license.php
9 * http://www.gnu.org/licenses/gpl.html
10 *
11 */
12
13/**
14 * Create a cookie with the given name and value and other optional parameters.
15 *
16 * @example $.cookie('the_cookie', 'the_value');
17 * @desc Set the value of a cookie.
18 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
19 * @desc Create a cookie with all available options.
20 * @example $.cookie('the_cookie', 'the_value');
21 * @desc Create a session cookie.
22 * @example $.cookie('the_cookie', null);
23 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
24 *       used when the cookie was set.
25 *
26 * @param String name The name of the cookie.
27 * @param String value The value of the cookie.
28 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
29 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
30 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
31 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
32 *                             when the the browser exits.
33 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
34 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
35 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
36 *                        require a secure protocol (like HTTPS).
37 * @type undefined
38 *
39 * @name $.cookie
40 * @cat Plugins/Cookie
41 * @author Klaus Hartl/[email protected]
42 */
43
44/**
45 * Get the value of a cookie with the given name.
46 *
47 * @example $.cookie('the_cookie');
48 * @desc Get the value of a cookie.
49 *
50 * @param String name The name of the cookie.
51 * @return The value of the cookie.
52 * @type String
53 *
54 * @name $.cookie
55 * @cat Plugins/Cookie
56 * @author Klaus Hartl/[email protected]
57 */
58(function ($) {
59  jQuery.cookie = function(name, value, options) {
60    if (typeof value != 'undefined') { // name and value given, set cookie
61      options = options || {};
62      if (value === null) {
63        value = '';
64        options.expires = -1;
65      }
66      var expires = '';
67      if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
68        var date;
69        if (typeof options.expires == 'number') {
70          date = new Date();
71          date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
72        } else {
73          date = options.expires;
74        }
75        expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
76      }
77      // CAUTION: Needed to parenthesize options.path and options.domain
78      // in the following expressions, otherwise they evaluate to undefined
79      // in the packed version for some reason...
80      var path = options.path ? '; path=' + (options.path) : '';
81      var domain = options.domain ? '; domain=' + (options.domain) : '';
82      var secure = options.secure ? '; secure' : '';
83      document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
84    } else { // only name given, get cookie
85      var cookieValue = null;
86      if (document.cookie && document.cookie != '') {
87        var cookies = document.cookie.split(';');
88        for (var i = 0; i < cookies.length; i++) {
89          var cookie = jQuery.trim(cookies[i]);
90          // Does this cookie string begin with the name we want?
91          if (cookie.substring(0, name.length + 1) == (name + '=')) {
92            cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
93            break;
94          }
95        }
96      }
97      return cookieValue;
98    }
99  };
100})(jQuery);