一、localStorage沒有時間限制,除非手動清除瀏覽器緩存。html
二、sessionStroage 刷新頁面不會存儲的數據不會被清除,當關閉該頁面時,數據會清除。如下爲示例代碼:jquery
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <script src="http://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script> </head> <body> <span>0</span> <button>add</button> <script> var num=0; $("span").html(sessionStorage.text); if(sessionStorage.text){ num=sessionStorage.text; } else{ num=0; } $("button").click(function(){ num++; sessionStorage.text=num; $("span").html(sessionStorage.text); }) </script> </body> </html>