LocalStorage的使用 

<html>
<head>
    <title>Local Storage test</title>
    <meta charset="UTF-8">
    <script>

        function store() {
            if (typeof(localStorage) == "undefined") {
                alert("Browser does not recognize HTML local storage.");

            }
            else {
                try {
                    olddate = new Date();
                    localStorage.setItem("lastdate",olddate);
                    alert("Stored: "+olddate);
                }
                catch(e) {
                    alert("Error with use of local storage: "+e);}
            }
            return false;


        }
        function remove1() {
            if (typeof(localStorage) == "undefined") {
                alert("Browser does not recognize HTML local storage.");
            }
            else {
                localStorage.removeItem('lastdate');
                alert("Removed date stored.");
            }
            return false;
        }

        function fetch() {
            if (typeof(localStorage) == "undefined") {
                alert("Browser does not recognize HTML local storage.");
            }
            else {
                alert("Stored "+localStorage.getItem('lastdate'));
            }
            return false;
        }



    </script>
</head>

<body>
<button onClick="javascript:store();">在本地保存当前日期</button>
<button onClick="javascript:fetch();">恢复保存的日期</button>
<button onClick="javascript:remove1();">删除日期信息</button>
</body>
</html>

　　

posted on 2015-02-02 18:21  aicpcode  阅读(180)  评论(0)    收藏  举报

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