html5案例 - W3xue在线HTML/CSS/JS运行工具

​x
 
<!DOCTYPE HTML>
<html>
<body>
​
<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> 
​
<p>刷新页面会看到计数器在增长。</p>
​
<p>请关闭浏览器窗口，然后再试一次，计数器已经重置了。</p>
​
</body>
</html>
​