js前端文件收集（一）

1。保存cookies的文件：

 /**
  * 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;
     }
 };

原文章http://www.helloweba.com/view-blog-92.html