html5笔记

发布于 2017-12-31  1742 次阅读


  1. localStorage 本地离线存储 浏览器关闭后数据不丢失。
    <script type="text/javascript">
    if (localStorage.pagecount) { localStorage.pagecount=Number(localStorage.pagecount) +1; } else { localStorage.pagecount=1; } document.write("Visits "+ localStorage.pagecount + " time(s)."); </script>
  2. sessionStorage 浏览器关闭后自动删除。
    <script type="text/javascript">
    if (sessionStorage.pagecount) { sessionStorage.pagecount=Number(sessionStorage.pagecount) +1; } else { sessionStorage.pagecount=1; } document.write("Visits "+sessionStorage.pagecount+" time(s) this session."); </script>
  3. cookies,sessionStorage 和 localStorage
    • cookie在浏览器和服务器间来回传递。 sessionStorage和localStorage不会
    • sessionStorage和localStorage的存储空间更大;
    • sessionStorage和localStorage有更多丰富易用的接口;
    • sessionStorage和localStorage各自独立的存储空间;

 

 

最后更新于 2017-12-31