javascript 也可以用try catch了.

时间：2010-09-14 来源：BobLiu

function Deal() {

                    try {
                        form1.submit();  //或其他可以引发错误的代码
                    } catch (err) {
                        document.writeln("Error name: " + err.name);
                        document.writeln("Error message:" + err.message);
                    }
                    finally {
                        alert("some message");
                    }
                }

</script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <input type="button" id="button1" name="button1" value="button1" onclick="this.disabled=true; Deal();" />
    </div>
    </form>
</body>
</html>