js之动态时钟源代码

<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title>js动态时钟</title>

        <script>
            function clock() {
                var d = new Date();
                var h = d.getHours();
                var m = d.getMinutes();
                var s = d.getSeconds();
                var hms = h + ":" + m + ":" + s;
                document.getElementById("clock").innerHTML=hms;
                setTimeout("clock()", 1000);
            }
        </script>

    </head>

    <body onload="clock()">
        <h1 id="clock"></h1>
    </body>

</html>

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