if (!window.localStorage) { window.localStorage = { getItem: function (sKey) { if (!sKey || !this.hasOwnProperty(sKey)) { return null; } return unescape(document.cookie.replace(new RegExp("(?:^|.*;\\s*)" + escape(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1")); }, key: function (nKeyId) { return unescape(document.cookie.replace(/\s*\=(?:.(?!;))*$/, "").split(/\s*\=(?:[^;](?!;))*[^;]?;\s*/)[nKeyId]); }, setItem: function (sKey, sValue) { if(!sKey) { return; } document.cookie = escape(sKey) + "=" + escape(sValue) + "; path=/"; this.length = document.cookie.match(/\=/g).length; }, length: 0, removeItem: function (sKey) { if (!sKey || !this.hasOwnProperty(sKey)) { return; } var sExpDate = new Date(); sExpDate.setDate(sExpDate.getDate() - 1); document.cookie = escape(sKey) + "=; expires=" + sExpDate.toGMTString() + "; path=/"; this.length--; }, hasOwnProperty: function (sKey) { return (new RegExp("(?:^|;\\s*)" + escape(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie); } }; window.localStorage.length = (document.cookie.match(/\=/g) || window.localStorage).length; }

大家自行领会……这两段……表示不懂/(ㄒoㄒ)/~~