浏览器常用的本地储存方式

// 设置cookie(储存数据)
function setcookie(name,value,expired,path,domain){
	var now=new Date();
	if(name==null){
		throw "Cookie Name Must not be Null";
		}else if (value==null){
		throw "Cookie Value Must not be Null";
		}else if(expired==null){
		expired=0;
	}
	if(path==null){
		path="/";
	}
	if(domain==null){
		domain=window.location.host;
	}
	now.setTime(now.getTime()+expired*1000);
document.cookie=name+"="+escape(value)+";expires="+now.toGMTString()+";path="+path+";domain="+domain;
}

// 读取cookie(读取数据)
function getcookie(name){
	var allcookie=document.cookie;
	thiscookie=allcookie.match(name+"=[^\\s]*");
	mycookie=thiscookie[0].split("=");
	a=mycookie[1].substring(0,mycookie[1].length-1);
	return unescape(a);
}

localStorage.xxx="alili.tech";
localStorage['xxx']="alili.tech";
localStorage.setItem("xxx","alili.tech");
//获取
localStorage.xxx;
localStorage['xxx'];
localStorage.getItem("xxx");
//删除
localStorage.removeItem("xxx");
//清空locaStorage
localStorage.clear();

//onstorage事件
window.addEventListener("storage", function(){
// 做一些你想做的事情
}, false);