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?? ?? ?? ???: sessionStorage

HTML5?? sessionStorage?? Js ??? ???? ???, ? ??? ?? ????? ??? ?? ??? WebStorage? ?? ??? ? ????. sessionStorage? ??? ???? ?? Key-Value ??? ????, ??? ???? ?? ??? ???? ?? ??? ????? ???? ???? ?????. .

  • sessionStorage? ?? ?????? ?? ??? ???? ? ??? ?? ? ?? ??? ?????.

  • setItem(key, value)? ?? ??? ???? ?????. ? ????? ?? ????? ??? ???? ?????.

  • getItem(key)? key? ?? ?? ?? ?????.

  • removeItem(key)? ??? ?? ???? ?????.

  • clear()? ???? ????.

??? ??? ????. 

                          
    <script type="text/javascript">
        //添加key-value 數(shù)據(jù)到 sessionStorage
        localStorage.setItem("demokey", "http://blog.itjeek.com");
        //通過key來獲取value
        var dt = localStorage.getItem("demokey");
        alert(dt);
        //清空所有的key-value數(shù)據(jù)。
        //localStorage.clear();
        alert(localStorage.length);
    </script>


???? ??
||
<!DOCTYPE html> <html> <head>  <meta charset="utf-8">  <title>php中文網(wǎng)</title>  </head> <body> <script type="text/javascript"> //添加key-value 數(shù)據(jù)到 sessionStorage localStorage.setItem("demokey", "http://blog.itjeek.com"); //通過key來獲取value var dt = localStorage.getItem("demokey"); alert(dt); //清空所有的key-value數(shù)據(jù)。 //localStorage.clear(); alert(localStorage.length); </script> </body> </html>