怎样查看网页，显示的实时秒数？

<td colspan="8" align="center" height="18" bgcolor="#dfeaf4" width="769"><div id="timer"></div><script type="text/javascript">new lucky28_timer();</script></td>
查看网页源代码，查到这个。可在网页中怎么也查不到lucky28_timer(),百思不得其解，请高手指点。

解决方案 »

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是不是你页面中没有引用Date啊！
不是显示时间的秒，是显示一个数字，引用date干什么？
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</div><DIV class=youxi-body>
<TABLE cellSpacing=1 cellPadding=0 width=801 bgColor=#73b4d8 border=0>
  <TBODY>
  <TR>
    <TD align=center width=799 bgColor=#dfeaf4 colSpan=9 height=18>
      <DIV id=timer></DIV>
      <SCRIPT type=text/javascript>new happy123_timer();</SCRIPT>
    </TD></TR>
  <TR>
    <TD class=toptd align=center width=66>期号</TD>
    <TD class=toptd align=center width=111>收豆时间</TD>
    <TD class=toptd align=center width=88>收豆结果</TD>
    <TD class=toptd align=center width=86>已种豆注数</TD>
    <TD class=toptd align=center width=102>豆子总数</TD>
    <TD class=toptd align=center width=89>收豆人数</TD>
    <TD class=toptd align=center width=118>种豆数/收豆数</TD>
    <TD class=toptd align=center width=105>种豆子</TD>
    <TD class=toptd align=center width=26>　</TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179202</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:50</TD>
    <TD align=center bgColor=#ffffff width="88">-</TD>
    <TD align=center bgColor=#ffffff width="86">0</TD>
    <TD align=center bgColor=#ffffff width="102">0 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong>-</strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179202" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a href="/happy123/invest/gid/179202">种豆子</a></TD>
    <TD align=center bgColor=#FFFFFF width="26">
    -    </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179201</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:45</TD>
    <TD align=center bgColor=#ffffff width="88">-</TD>
    <TD align=center bgColor=#ffffff width="86">0</TD>
    <TD align=center bgColor=#ffffff width="102">0 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong>-</strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179201" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a href="/happy123/invest/gid/179201">种豆子</a></TD>
    <TD align=center bgColor=#FFFFFF width="26">
    -    </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179200</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:40</TD>
    <TD align=center bgColor=#ffffff width="88">-</TD>
    <TD align=center bgColor=#ffffff width="86">1118</TD>
    <TD align=center bgColor=#ffffff width="102">3442211 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong>-</strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179200" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a href="/happy123/invest/gid/179200">种豆子</a></TD>
    <TD align=center bgColor=#FFFFFF width="26">
    -    </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179199</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:35</TD>
    <TD align=center bgColor=#ffffff width="88">7=<img src="/public/images/doubao_v1/happy123/2.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1207</TD>
    <TD align=center bgColor=#ffffff width="102">3455499 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179199">412</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179199" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179199">已收豆</a></TD>
    <TD align=center bgColor=#FF0000 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179198</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:30</TD>
    <TD align=center bgColor=#ffffff width="88">4=<img src="/public/images/doubao_v1/happy123/2.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1221</TD>
    <TD align=center bgColor=#ffffff width="102">3452275 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179198">405</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179198" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179198">已收豆</a></TD>
    <TD align=center bgColor=#FF0000 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179197</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:25</TD>
    <TD align=center bgColor=#ffffff width="88">4=<img src="/public/images/doubao_v1/happy123/2.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1212</TD>
    <TD align=center bgColor=#ffffff width="102">3456095 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179197">409</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179197" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179197">已收豆</a></TD>
    <TD align=center bgColor=#FF0000 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179196</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:20</TD>
    <TD align=center bgColor=#ffffff width="88">2=<img src="/public/images/doubao_v1/happy123/1.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1200</TD>
    <TD align=center bgColor=#ffffff width="102">3446956 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179196">401</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179196" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179196">已收豆</a></TD>
    <TD align=center bgColor=#64bc00 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179195</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:15</TD>
    <TD align=center bgColor=#ffffff width="88">5=<img src="/public/images/doubao_v1/happy123/2.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1211</TD>
    <TD align=center bgColor=#ffffff width="102">3585692 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179195">405</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179195" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179195">已收豆</a></TD>
    <TD align=center bgColor=#FF0000 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179194</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:10</TD>
    <TD align=center bgColor=#ffffff width="88">2=<img src="/public/images/doubao_v1/happy123/1.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1198</TD>
    <TD align=center bgColor=#ffffff width="102">3542377 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179194">395</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179194" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179194">已收豆</a></TD>
    <TD align=center bgColor=#64bc00 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179193</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:05</TD>
    <TD align=center bgColor=#ffffff width="88">8=<img src="/public/images/doubao_v1/happy123/3.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1211</TD>
    <TD align=center bgColor=#ffffff width="102">3477134 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179193">402</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179193" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179193">已收豆</a></TD>
    <TD align=center bgColor=#FFFF00 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179192</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 14:00</TD>
    <TD align=center bgColor=#ffffff width="88">9=<img src="/public/images/doubao_v1/happy123/3.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1205</TD>
    <TD align=center bgColor=#ffffff width="102">3465043 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179192">394</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179192" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179192">已收豆</a></TD>
    <TD align=center bgColor=#FFFF00 width="26">
        </TD>
    </TR>
  <TR>
    <TD align=center bgColor=#dfeaf4 width="66"><span>179191</span></TD>
    <TD align=center bgColor=#ffffff width="111">2010-11-26 13:55</TD>
    <TD align=center bgColor=#ffffff width="88">3=<img src="/public/images/doubao_v1/happy123/1.gif"></TD>
    <TD align=center bgColor=#ffffff width="86">1219</TD>
    <TD align=center bgColor=#ffffff width="102">3445132 <img src="/public/images/doubao_v1/douzi2.gif" /></TD>
    <TD align=center bgColor=#ffffff width="89"><strong><a href="/happy123/win/gid/179191">404</a></strong></TD>
    <TD align=center bgColor=#ffffff id="gameid_179191" width="118">0 / 0</TD>
    <TD align=center bgColor=#ffffff width="105"><a  href="/happy123/over/gid/179191">已收豆</a></TD>
    <TD align=center bgColor=#64bc00 width="26">
        </TD>
    </TR>
页面中导入了那么多js文件，其中一个里面就应该有lucky28_timer
是有很多.js,应该在这些js中，拿我怎么能查看这些js文件捏
function createAjaxObj(){
var httprequest=false
if (window.XMLHttpRequest){ // if Mozilla, Safari etc
httprequest=new XMLHttpRequest()
if (httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml')
}
else if (window.ActiveXObject){ // if IE
try {
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e){
try{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e){}
}
}
return httprequest
}function happy123_timer(){

this.ajaxobj=createAjaxObj();
//document.write('')
this.getAjaxcontent()
}happy123_timer.prototype.getAjaxcontent=function(){
if (this.ajaxobj){
var instanceOfTicker=thisthis.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize()}
this.ajaxobj.open('GET', "/happy123/timer?"+Math.random(), true);
this.ajaxobj.send(null)
}
}happy123_timer.prototype.initialize=function(){
if (this.ajaxobj.readyState == 4){  //if request of file completed
if (this.ajaxobj.status==200){ //if request was successful
var xmldata=this.ajaxobj.responseXML;
if(xmldata.getElementsByTagName("period").length==0){
return
}
var instanceOfTicker=this;
this.feeditems=xmldata.getElementsByTagName("timer"); if(this.feeditems.length > 0)
{
try{
this.period = this.feeditems[0].getElementsByTagName("period")[0].firstChild.nodeValue;
this.opentime = this.feeditems[0].getElementsByTagName("opentime")[0].firstChild.nodeValue;
this.time = this.feeditems[0].getElementsByTagName("time")[0].firstChild.nodeValue;
}catch(err){
tickercontent = "<span style=\"color:red;\">游戏暂停运行中，凌晨5点开始运行</span>";
var tickerDiv=document.getElementById('timer');
tickerDiv.innerHTML=tickercontent;
return true;
}
} this.rotatemsg()
}
}
}happy123_timer.prototype.rotatemsg=function(){
var instanceOfTicker=thisvar tickerDiv=document.getElementById('timer')
var remain = this.opentime - this.time;
if((this.opentime - this.time) >= 0)
{
tickercontent = "<span style=\"color:red;\">距离 " + this.period + " 期收豆还有 " + remain + " 秒</span>";
}else{
tickercontent = "<span style=\"color:red;\">第 "+this.period+" 期正在收豆，请刷新页面查看收豆号码。</span>";
tickerDiv.innerHTML=tickercontent;
return true;
}tickerDiv.innerHTML=tickercontent;
if((this.opentime - this.time)<= 0)
{
this.ajaxobj=createAjaxObj();
instanceOfTicker.getAjaxcontent(); }else{
this.time ++;
setTimeout(function(){instanceOfTicker.rotatemsg()}, 1000);
}
}
为什么这里是Happy123_Timer(),而不是lucky28_Timer()显示的东西已看到：
tickercontent = "<span style=\"color:red;\">距离 " + this.period + " 期收豆还有 " + remain + " 秒</span>";
狐狸尾巴出来聊：function createAjaxObj(){
var httprequest=false
if (window.XMLHttpRequest){ // if Mozilla, Safari etc
httprequest=new XMLHttpRequest()
if (httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml')
}
else if (window.ActiveXObject){ // if IE
try {
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e){
try{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e){}
}
}
return httprequest
}function lucky28_timer(){

this.ajaxobj=createAjaxObj();
//document.write('')
this.getAjaxcontent()
}lucky28_timer.prototype.getAjaxcontent=function(){
if (this.ajaxobj){
var instanceOfTicker=thisthis.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize()}
this.ajaxobj.open('GET', "/lucky28/timer?"+Math.random(), true);
this.ajaxobj.send(null)
}
}lucky28_timer.prototype.initialize=function(){
if (this.ajaxobj.readyState == 4){  //if request of file completed
if (this.ajaxobj.status==200){ //if request was successful
var xmldata=this.ajaxobj.responseXML;
if(xmldata.getElementsByTagName("period").length==0){
return
}
var instanceOfTicker=this;
this.feeditems=xmldata.getElementsByTagName("timer"); if(this.feeditems.length > 0)
{
try{
this.period = this.feeditems[0].getElementsByTagName("period")[0].firstChild.nodeValue;
this.opentime = this.feeditems[0].getElementsByTagName("opentime")[0].firstChild.nodeValue;
this.time = this.feeditems[0].getElementsByTagName("time")[0].firstChild.nodeValue;
}catch(err){
tickercontent = "<span style=\"color:red;\">游戏暂停运行中，凌晨5点开始运行</span>";
var tickerDiv=document.getElementById('timer');
tickerDiv.innerHTML=tickercontent;
return true;
}
} this.rotatemsg()
}
}
}lucky28_timer.prototype.rotatemsg=function(){
var instanceOfTicker=thisvar tickerDiv=document.getElementById('timer')
var remain = this.opentime - this.time;
if((this.opentime - this.time) >= 0)
{
tickercontent = "<span style=\"color:red;\">距离 " + this.period + " 期收豆还有 " + remain + " 秒</span>";
}else{
tickercontent = "<span style=\"color:red;\">第 "+this.period+" 期正在收豆，请刷新页面查看收豆号码。</span>";
tickerDiv.innerHTML=tickercontent;
return true;
}tickerDiv.innerHTML=tickercontent;
if((this.opentime - this.time)<= 0)
{
this.ajaxobj=createAjaxObj();
instanceOfTicker.getAjaxcontent(); }else{
this.time ++;
setTimeout(function(){instanceOfTicker.rotatemsg()}, 1000);
}
}
Timerfun 的 this是全局变量吗？什么时候释放？
JS中this是最不好掌握的。
以上代码块中的this，因为是定义在原型中，所以日后new lucky28_timer后，指的是实例化的lucky28_timer对象。
参照顶楼的代码，只有当页面刷新时，这个对象才会重建。
嗯，不错，看来要研究一下javascript了!只是我的程序中要捕捉时间
xsTimer = objDoc.All.Item("timer").innerHTML
有时候能抓到，有时候抓不到，不知道什么原因。
测试了一下只有刷新页面的时候能抓到，其他情况抓不到。呵呵，谢谢magon