/**
* Cookie plugin
*
* Copyright ( c ) 2006 Klaus Hartl ( stilbuero . de )
* Dual licensed under the MIT and GPL licenses :
* http : //www.opensource.org/licenses/mit-license.php
* http : //www.gnu.org/licenses/gpl.html
*
*/
/**
* Create a cookie with the given name and value and other optional parameters .
*
* @ example $ . cookie ( ' the_cookie ' , ' the_value ' ) ;
* @ desc Set the value of a cookie .
* @ example $ . cookie ( ' the_cookie ' , ' the_value ' , { expires : 7 , path : ' / ' , domain : ' jquery . com ' , secure : true } ) ;
* @ desc Create a cookie with all available options .
* @ example $ . cookie ( ' the_cookie ' , ' the_value ' ) ;
* @ desc Create a session cookie .
* @ example $ . cookie ( ' the_cookie ' , null ) ;
* @ desc Delete a cookie by passing null as value .
*
* @ param String name The name of the cookie .
* @ param String value The value of the cookie .
* @ param Object options An object literal containing key / value pairs to provide optional cookie attributes .
* @ option Number | Date expires Either an integer specifying the expiration date from now on in days or a Date object .
* If a negative value is specified ( e . g . a date in the past ) , the cookie will be deleted .
* If set to null or omitted , the cookie will be a session cookie and will not be retained
* when the the browser exits .
* @ option String path The value of the path atribute of the cookie ( default : path of page that created the cookie ) .
* @ option String domain The value of the domain attribute of the cookie ( default : domain of page that created the cookie ) .
* @ option Boolean secure If true , the secure attribute of the cookie will be set and the cookie transmission will
* require a secure protocol ( like HTTPS ) .
* @ type undefined
*
* @ name $ . cookie
* @ cat Plugins / Cookie
* @ author Klaus Hartl / klaus . hartl @ stilbuero . de
*/
/**
* Get the value of a cookie with the given name .
*
* @ example $ . cookie ( ' the_cookie ' ) ;
* @ desc Get the value of a cookie .
*
* @ param String name The name of the cookie .
* @ return The value of the cookie .
* @ type String
*
* @ name $ . cookie
* @ cat Plugins / Cookie
* @ author Klaus Hartl / klaus . hartl @ stilbuero . de
*/
jQuery.cookie = function (name, value, options) {
if (typeof value != 'undefined' ) { // name and value given, set cookie
options = options || {};
if (value === null ) {
value = '' ;
options.expires = -1 ;
}
var expires = '' ;
if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if (typeof options.expires == 'number' ) {
date = new Date();
date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000 ));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
}
var path = options.path ? '; path=' + options.path : '' ;
var domain = options.domain ? '; domain=' + options.domain : '' ;
var secure = options.secure ? '; secure' : '' ;
document.cookie = [name, '=' , encodeURIComponent(value), expires, path, domain, secure].join('' );
} else { // only name given, get cookie
var cookieValue = null ;
if (document.cookie && document.cookie != '' ) {
var cookies = document.cookie.split(';' );
for (var i = 0 ; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0 , name.length + 1 ) == (name + '=' )) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1 ));
break ;
}
}
}
return cookieValue;
}
};
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