document.cookie = ‘name = getCookie‘;
document.cookie= ‘name = getCookie;expires =‘+ new Date(new Date().setTime(new Date().getTime()*5000)).toGTMString();
localStorage.setItem("key", "value");
localStorage.getItem(‘key‘);
localStorage.removeItem(‘key‘);
localStorage.clear();
原文：http://www.cnblogs.com/followMind/p/6947565.html