停留时间 – 筚路蓝缕

&lt;script type="text/javascript"&gt;
 window.setTimeout('show_secs()');
 var ap_name = navigator.appName;
 var ap_vinfo = navigator.appVersion;
 var ap_ver = parseFloat(ap_vinfo.substring(0, ap_vinfo.indexOf('(')));
 var time_start = new Date();
 var clock_start = time_start.getTime();
 var dl_ok = false;

 function init() {
     if (ap_name == "Netscape" &amp;&amp; ap_ver &gt;= 3.0) dl_ok = true;
     return true;
 }
 function get_time_spent() {
     var time_now = new Date();
     return ((time_now.getTime()-clock_start) / 1000);
 }
 function show_secs() {
     var i_total_secs = Math.round(get_time_spent());
     var i_secs_spent = i_total_secs % 60;
     var i_mins_spent = Math.round((i_total_secs - 30) / 60);
     var s_secs_spent = "" + ((i_secs_spent &gt; 9) ? i_secs_spent : "0" + i_secs_spent);
     var s_mins_spent = "" + ((i_mins_spent &gt; 9) ? i_mins_spent : "0" + i_mins_spent);
     document.fm0.time_spent.value = s_mins_spent + ": " + s_secs_spent;
     window.setTimeout('show_secs()', 1000);
 } // –&gt;
&lt;/script&gt;
&lt;form name="fm0" onsubmit="0"&gt;
    &lt;p&gt;
        &lt;font size="3" color="#000000"&gt;
            停留时间
        &lt;/font&gt;
        &lt;input name="time_spent" onfocus="this.blur()" size="5"&gt;
    &lt;/p&gt;
&lt;/form&gt;

window.setTimeout('show_secs()');

var ap_name = navigator.appName;

var ap_vinfo = navigator.appVersion;

var ap_ver = parseFloat(ap_vinfo.substring(0, ap_vinfo.indexOf('(')));

var time_start = new Date();

var clock_start = time_start.getTime();

var dl_ok = false;

function init() {

if (ap_name == "Netscape" && ap_ver >= 3.0) dl_ok = true;

return true;

}

function get_time_spent() {

var time_now = new Date();

return ((time_now.getTime()-clock_start) / 1000);

}

function show_secs() {

var i_total_secs = Math.round(get_time_spent());

var i_secs_spent = i_total_secs % 60;

var i_mins_spent = Math.round((i_total_secs - 30) / 60);

var s_secs_spent = "" + ((i_secs_spent > 9) ? i_secs_spent : "0" + i_secs_spent);

var s_mins_spent = "" + ((i_mins_spent > 9) ? i_mins_spent : "0" + i_mins_spent);

document.fm0.time_spent.value = s_mins_spent + ": " + s_secs_spent;

window.setTimeout('show_secs()', 1000);

} // –>

</script>

<p>

停留时间

</font>

</p>

</form>

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