设置cookie
document.cookie = 'name = getCookie';
设置cookie过期时间
document.cookie= 'name = getCookie;expires ='+ new Date(new Date().setTime(new Date().getTime()*5000)).toGTMString();
设置localstorage
localStorage.setItem("key", "value");
获取localstorage
localStorage.getItem('key');
删除localstorage
localStorage.removeItem('key');
清楚所有的key和value值
localStorage.clear();