JS: Cookie

cookie.js

// Cookie object
var cookie = {
    init: function() {
        var cookies = document.cookie.split(/;\s*/),
            cookie = [],
            i = cookies.length;
        
        while (i--) {
            cookie = cookies[i].split('=');
            this[cookie[0]] = cookie[1];
        }
    }

    /*
     * get cookie by name
     * cookie.get('name') equivalent cookie.name or cookie['name']
     */
    , get: function(name) {
        return this[name];
    }

    /*
     * name - string, not empty, reserved: init, get, create, erase
     * value - string, not empty
     * expires - integer, live cookie in days
     * path - string
     * domain - string
     * secure - boolean
     */
    , create: function(name, value, expires, path, domain, secure) {
        if (!name || /^(?:init|get|create|erase)$/i.test(name)) { return; }

        if (expires) {
            date = new Date();
            date.setTime(date.getTime() + (expires*24*60*60*1000));
            expires = '; expires=' + date.toUTCString();
        } else {
            expires = '; expires=Tue, 19 Jan 2038 03:14:07 GMT';
        }

        document.cookie = escape(name) + '=' + escape(value) + expires + (domain ? '; domain=' + domain : '') + (path ? '; path=' + path : 'path=/') + (secure ? '; secure' : '');
        this[name] = escape(value);
    }

    /*
     * remove cookie by name
     */
    , erase: function(name, path) {
        if (!name || !this.get(name)) { return; }
        this.create(name, '', -1, path);
        this[name] = undefined;
    }
}