页面停留时间的统计方法

<html>
<head>
<meta charset="utf-8" http-equiv="content-type" >
<title>页面停留时间的统计方法</title>
</head>
<BODY onLoad="init(); window.setTimeout('show_secs()',1);">
<SCRIPT LANGUAGE="JAVASCRIPT">

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>
<form name="fm0" onSubmit="0">您在本网页的停留时间:
<INPUT type="text" name="time_spent" size=7 onFocus="this.blur()">
</form>
</body>
</html>
页面停留时间的统计方法

推荐阅读
