今天学习了H5的新标签localstorage,属于永久存储，不手动删除怎不会消失；
<body>
<p id="info"></p>
<script >
var info =document.querySelector("#info");
//处理兼容
if(typeof(localStorge) != undefined){
if(localStorage.name){
info.innerHTML = localStorage.name;
}else {
info.innerHTML = "早上好”;
}else{
alert("请升级您的浏览器“）;
}
原文：http://www.cnblogs.com/qjw-fire/p/7082964.html