setTimeout是用在方法里的.例如 function a(){ alert(1); setTimeout("a()",1000); }
setTimeout放的位置对不对 看下
结构如下 var tid = setTimeout("fun()",100); function fun(){ if(tid != null){clearTimeout(tid);tid=null;} ///...处理一步的操作 if(需要继续) tid = setTimeout("fun()",100); }
代码来了 别嫌多啊 ! : <HEAD><TITLE>全国驾照理论考试系统</TITLE> <META http-equiv=Content-Type content="text/html; charset=gb2312"><LINK href="admincss/base.css" type=text/css rel=stylesheet> <META content="MSHTML 6.00.2900.3199" name=GENERATOR> <style type="text/css"> <!-- #sub{border:1px #00f solid;width:280px;height:100px;position:absolute;display:none;background:#fff} #tit{width:280px;height:22px;background:#00f;font-size:14px;font-weight:700;color:#fff;line-height:24px;;padding-left:1px;} #tit_time{margin-left:100px;font-size:12px;} #inf{width:280px;height:80px;padding:30px;} #inf span{width:100px; text-align:center;CURSOR: pointer}.STYLE25 { color: #000000; font-size: 24px; font-weight: bold; } .STYLE15 {font-size: 20px} .STYLE30 { color: #000000; font-size: 18px; } .STYLE32 {color: #00CCFF} .STYLE33 {color: #000000} .STYLE34 {color: #0098FF} .STYLE16 {font-size: 16px} --> </style> <script type="text/JavaScript"> <!-- var t=0,timer;function $(id){ return document.getElementById(id) }function RunTimer(k){//倒计时 $("tit_time").innerHTML="倒计时: "+k+" 秒" k = k-1 if(k>=0){ alert(k); timer=window.setTimeout(function(){RunTimer(k)},1000) }else{ subFoem() } } function showSub(){//显示对话框 var posX=document.body.offsetWidth ||document.documentElement.offsetWidth var posY=document.body.offsetHeight ||document.documentElement.offsetHeight with($("sub").style){ top=posY/2-100+"px" left=posX/2-160+"px" display="block" } t=10 RunTimer(t) }function hidSub(){//隐藏对话框 if ($("sub").style.display="block"){ clearTimeout(timer) $("sub").style.display="none" $("sub_bt").disabled=0 } } function subFoem(){//提交 hidSub() document.forms[0].option.value="-3"; form.submit(); } //--> function stA() { document.forms[0].option.value="1"; return true; }function stB() { document.forms[0].option.value="2"; return true; } function stC() { document.forms[0].option.value="3"; return true; } function stD() { document.forms[0].option.value="4"; return true; } function stYES() { document.forms[0].option.value="8"; return true; } function stNO() { document.forms[0].option.value="16"; return true; } function stPre() { document.forms[0].option.value="-1"; return true; } function stNext() { document.forms[0].option.value="-2"; return true; }function stRefer() { showSub(); } function timeOver() { alert("考试时间到!"); document.forms[0].option.value="-3"; form.submit(); } function showLeftTime(stopTimeMillSec) { var now = new Date(); var nowMillSec = now.getTime(); var today = new Date(stopTimeMillSec - nowMillSec); if(today < 0 ){ timeOver(); } var hour = today.getHours() - 8; var minute = today.getMinutes(); var second = today.getSeconds(); time = hour + ":" + minute + ":" + second; document.form.lefttime.value = time; var s = "showLeftTime(" + stopTimeMillSec + ");" window.setTimeout(s, 500); }function Clicked(evt,qid) { //键盘触发事件 var theKey theKey = evt.keyCode if (theKey == 8 ||theKey == 116) //屏蔽 F5 刷新键 { window.event.keyCode = 0; window.event.returnValue = false; } if(qid==2){ //选择题 switch(theKey){ case 101: //上一题 5 号键 stPre(); form.submit(); break case 102: //下一题 6键 stNext(); form.submit(); break case 99: //C 3 键 stC(); form.submit(); break case 96: //D 0键 stD(); form.submit(); break case 97: //A 1键 stA(); form.submit(); break case 98: //B 2键 stB(); form.submit(); break case 100: //交卷 4键 stRefer(); form.submit(); break case 109: //关机 双击-键 GuanJi() break default: break } } if(qid==1){ //判断题 switch(theKey){ case 101: //上一题 5 号键 stPre(); form.submit(); break case 102: //下一题 6键 stNext(); form.submit(); break case 97: //对 1键 stYES(); form.submit(); break case 98: //错 2键 stNO(); form.submit(); break case 100: //交卷 4键 stRefer(); form.submit(); break case 109: //关机 双击-键 GuanJi() break default: break } }} function GuanJi(){ var flag = form3.hid_flag.value; var front_time = form3.hid_time.value; var date = new Date(); var wkey = window.event.keyCode if(wkey == 109 && flag == 1){ form3.hid_flag.value=2; time = Date.parse(date); form3.hid_time.value=time; } else if(wkey == 109 && flag == 2 ){ now_time = Date.parse(date); if(now_time - front_time<2000){ var objShell = new ActiveXObject("wscript.shell"); objShell.Run('shutdown -s -t 1'); objShell = null; } else{ form3.hid_flag.value=2; time = Date.parse(date); form3.hid_time.value=time; } }} </script> </HEAD>
我发的自己不能修改吗?奇怪中 代码来了 别嫌多啊 ! : <HEAD> <TITLE>全国驾照理论考试系统 </TITLE> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <LINK href="admincss/base.css" type=text/css rel=stylesheet> <META content="MSHTML 6.00.2900.3199" name=GENERATOR> <style type="text/css"> <!-- #sub{border:1px #00f solid;width:280px;height:100px;position:absolute;display:none;background:#fff} #tit{width:280px;height:22px;background:#00f;font-size:14px;font-weight:700;color:#fff;line-height:24px;;padding-left:1px;} #tit_time{margin-left:100px;font-size:12px;} #inf{width:280px;height:80px;padding:30px;} #inf span{width:100px; text-align:center;CURSOR: pointer} .STYLE25 { color: #000000; font-size: 24px; font-weight: bold; } .STYLE15 {font-size: 20px} .STYLE30 { color: #000000; font-size: 18px; } .STYLE32 {color: #00CCFF} .STYLE33 {color: #000000} .STYLE34 {color: #0098FF} .STYLE16 {font-size: 16px} --> </style> <script type="text/JavaScript"> <!-- var t=0,timer; function $(id){ return document.getElementById(id) } function RunTimer(k){//倒计时 $("tit_time").innerHTML="倒计时: "+k+" 秒" k = k-1 if(k>=0){ alert(k); timer=window.setTimeout(function(){RunTimer(k)},1000) }else{ subFoem() } } function showSub(){//显示对话框 var posX=document.body.offsetWidth ||document.documentElement.offsetWidth var posY=document.body.offsetHeight ||document.documentElement.offsetHeight with($("sub").style){ top=posY/2-100+"px" left=posX/2-160+"px" display="block" } t=10 RunTimer(t) } function hidSub(){//隐藏对话框 if ($("sub").style.display="block"){ clearTimeout(timer) $("sub").style.display="none" $("sub_bt").disabled=0 } } function subFoem(){//提交 hidSub() document.forms[0].option.value="-3"; form.submit(); } //--> function stA() { document.forms[0].option.value="1"; return true; } function stB() { document.forms[0].option.value="2"; return true; } function stC() { document.forms[0].option.value="3"; return true; } function stD() { document.forms[0].option.value="4"; return true; } function stYES() { document.forms[0].option.value="8"; return true; } function stNO() { document.forms[0].option.value="16"; return true; } function stPre() { document.forms[0].option.value="-1"; return true; } function stNext() { document.forms[0].option.value="-2"; return true; } function stRefer() { showSub(); } function timeOver() { alert("考试时间到!"); document.forms[0].option.value="-3"; form.submit(); } function showLeftTime(stopTimeMillSec) { var now = new Date(); var nowMillSec = now.getTime(); var today = new Date(stopTimeMillSec - nowMillSec); if(today < 0 ){ timeOver(); } var hour = today.getHours() - 8; var minute = today.getMinutes(); var second = today.getSeconds(); time = hour + ":" + minute + ":" + second; document.form.lefttime.value = time; var s = "showLeftTime(" + stopTimeMillSec + ");" window.setTimeout(s, 500); } function Clicked(evt,qid) { //键盘触发事件 var theKey theKey = evt.keyCode if (theKey == 8 ||theKey == 116) //屏蔽 F5 刷新键 { window.event.keyCode = 0; window.event.returnValue = false; } if(qid==2){ //选择题 switch(theKey){ case 101: //上一题 5 号键 stPre(); form.submit(); break case 102: //下一题 6键 stNext(); form.submit(); break case 99: //C 3 键 stC(); form.submit(); break case 96: //D 0键 stD(); form.submit(); break case 97: //A 1键 stA(); form.submit(); break case 98: //B 2键 stB(); form.submit(); break case 100: //交卷 4键 stRefer(); form.submit(); break case 109: //关机 双击-键 GuanJi() break default: break } } if(qid==1){ //判断题 switch(theKey){ case 101: //上一题 5 号键 stPre(); form.submit(); break case 102: //下一题 6键 stNext(); form.submit(); break case 97: //对 1键 stYES(); form.submit(); break case 98: //错 2键 stNO(); form.submit(); break case 100: //交卷 4键 stRefer(); form.submit(); break case 109: //关机 双击-键 GuanJi() break default: break } } } </script> </HEAD>
function a(){
alert(1);
setTimeout("a()",1000);
}
看下
var tid = setTimeout("fun()",100);
function fun(){
if(tid != null){clearTimeout(tid);tid=null;}
///...处理一步的操作
if(需要继续) tid = setTimeout("fun()",100);
}
:
<HEAD><TITLE>全国驾照理论考试系统</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312"><LINK
href="admincss/base.css" type=text/css rel=stylesheet>
<META content="MSHTML 6.00.2900.3199" name=GENERATOR>
<style type="text/css">
<!--
#sub{border:1px #00f solid;width:280px;height:100px;position:absolute;display:none;background:#fff}
#tit{width:280px;height:22px;background:#00f;font-size:14px;font-weight:700;color:#fff;line-height:24px;;padding-left:1px;}
#tit_time{margin-left:100px;font-size:12px;}
#inf{width:280px;height:80px;padding:30px;}
#inf span{width:100px; text-align:center;CURSOR: pointer}.STYLE25 { color: #000000;
font-size: 24px;
font-weight: bold;
}
.STYLE15 {font-size: 20px}
.STYLE30 {
color: #000000;
font-size: 18px;
}
.STYLE32 {color: #00CCFF}
.STYLE33 {color: #000000}
.STYLE34 {color: #0098FF}
.STYLE16 {font-size: 16px}
-->
</style>
<script type="text/JavaScript">
<!--
var t=0,timer;function $(id){
return document.getElementById(id)
}function RunTimer(k){//倒计时
$("tit_time").innerHTML="倒计时: "+k+" 秒"
k = k-1
if(k>=0){
alert(k);
timer=window.setTimeout(function(){RunTimer(k)},1000)
}else{
subFoem()
}
}
function showSub(){//显示对话框
var posX=document.body.offsetWidth ||document.documentElement.offsetWidth
var posY=document.body.offsetHeight ||document.documentElement.offsetHeight with($("sub").style){
top=posY/2-100+"px"
left=posX/2-160+"px"
display="block"
}
t=10
RunTimer(t)
}function hidSub(){//隐藏对话框
if ($("sub").style.display="block"){
clearTimeout(timer)
$("sub").style.display="none"
$("sub_bt").disabled=0
}
}
function subFoem(){//提交
hidSub()
document.forms[0].option.value="-3";
form.submit();
}
//-->
function stA() {
document.forms[0].option.value="1";
return true;
}function stB() {
document.forms[0].option.value="2";
return true;
}
function stC() {
document.forms[0].option.value="3";
return true;
}
function stD() {
document.forms[0].option.value="4";
return true;
}
function stYES() {
document.forms[0].option.value="8";
return true;
}
function stNO() {
document.forms[0].option.value="16";
return true;
}
function stPre() {
document.forms[0].option.value="-1";
return true;
}
function stNext() {
document.forms[0].option.value="-2";
return true;
}function stRefer() { showSub();
}
function timeOver() { alert("考试时间到!"); document.forms[0].option.value="-3";
form.submit();
}
function showLeftTime(stopTimeMillSec) {
var now = new Date();
var nowMillSec = now.getTime();
var today = new Date(stopTimeMillSec - nowMillSec);
if(today < 0 ){
timeOver();
}
var hour = today.getHours() - 8;
var minute = today.getMinutes();
var second = today.getSeconds();
time = hour + ":" + minute + ":" + second;
document.form.lefttime.value = time;
var s = "showLeftTime(" + stopTimeMillSec + ");"
window.setTimeout(s, 500);
}function Clicked(evt,qid) { //键盘触发事件
var theKey theKey = evt.keyCode
if (theKey == 8 ||theKey == 116) //屏蔽 F5 刷新键
{
window.event.keyCode = 0;
window.event.returnValue = false;
} if(qid==2){ //选择题 switch(theKey){ case 101: //上一题 5 号键
stPre();
form.submit();
break
case 102: //下一题 6键
stNext();
form.submit();
break
case 99: //C 3 键
stC();
form.submit();
break
case 96: //D 0键
stD();
form.submit();
break
case 97: //A 1键
stA();
form.submit();
break
case 98: //B 2键
stB();
form.submit();
break
case 100: //交卷 4键
stRefer();
form.submit();
break
case 109: //关机 双击-键
GuanJi()
break
default:
break
}
}
if(qid==1){ //判断题
switch(theKey){ case 101: //上一题 5 号键
stPre();
form.submit();
break
case 102: //下一题 6键
stNext();
form.submit();
break case 97: //对 1键
stYES();
form.submit();
break
case 98: //错 2键
stNO();
form.submit();
break
case 100: //交卷 4键
stRefer();
form.submit();
break
case 109: //关机 双击-键
GuanJi()
break
default:
break
}
}}
function GuanJi(){ var flag = form3.hid_flag.value;
var front_time = form3.hid_time.value;
var date = new Date();
var wkey = window.event.keyCode
if(wkey == 109 && flag == 1){
form3.hid_flag.value=2;
time = Date.parse(date);
form3.hid_time.value=time; }
else if(wkey == 109 && flag == 2 ){
now_time = Date.parse(date);
if(now_time - front_time<2000){ var objShell = new ActiveXObject("wscript.shell");
objShell.Run('shutdown -s -t 1');
objShell = null;
}
else{
form3.hid_flag.value=2;
time = Date.parse(date);
form3.hid_time.value=time;
}
}}
</script>
</HEAD>
代码来了 别嫌多啊 !
:
<HEAD> <TITLE>全国驾照理论考试系统 </TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312"> <LINK
href="admincss/base.css" type=text/css rel=stylesheet>
<META content="MSHTML 6.00.2900.3199" name=GENERATOR>
<style type="text/css">
<!--
#sub{border:1px #00f solid;width:280px;height:100px;position:absolute;display:none;background:#fff}
#tit{width:280px;height:22px;background:#00f;font-size:14px;font-weight:700;color:#fff;line-height:24px;;padding-left:1px;}
#tit_time{margin-left:100px;font-size:12px;}
#inf{width:280px;height:80px;padding:30px;}
#inf span{width:100px; text-align:center;CURSOR: pointer} .STYLE25 { color: #000000;
font-size: 24px;
font-weight: bold;
}
.STYLE15 {font-size: 20px}
.STYLE30 {
color: #000000;
font-size: 18px;
}
.STYLE32 {color: #00CCFF}
.STYLE33 {color: #000000}
.STYLE34 {color: #0098FF}
.STYLE16 {font-size: 16px}
-->
</style>
<script type="text/JavaScript">
<!--
var t=0,timer; function $(id){
return document.getElementById(id)
} function RunTimer(k){//倒计时
$("tit_time").innerHTML="倒计时: "+k+" 秒"
k = k-1
if(k>=0){
alert(k);
timer=window.setTimeout(function(){RunTimer(k)},1000)
}else{
subFoem()
}
}
function showSub(){//显示对话框
var posX=document.body.offsetWidth ||document.documentElement.offsetWidth
var posY=document.body.offsetHeight ||document.documentElement.offsetHeight with($("sub").style){
top=posY/2-100+"px"
left=posX/2-160+"px"
display="block"
}
t=10
RunTimer(t)
} function hidSub(){//隐藏对话框
if ($("sub").style.display="block"){
clearTimeout(timer)
$("sub").style.display="none"
$("sub_bt").disabled=0
}
}
function subFoem(){//提交
hidSub()
document.forms[0].option.value="-3";
form.submit();
}
//--> function stA() {
document.forms[0].option.value="1";
return true;
} function stB() {
document.forms[0].option.value="2";
return true;
}
function stC() {
document.forms[0].option.value="3";
return true;
}
function stD() {
document.forms[0].option.value="4";
return true;
}
function stYES() {
document.forms[0].option.value="8";
return true;
}
function stNO() {
document.forms[0].option.value="16";
return true;
}
function stPre() {
document.forms[0].option.value="-1";
return true;
}
function stNext() {
document.forms[0].option.value="-2";
return true;
}
function stRefer() { showSub();
}
function timeOver() { alert("考试时间到!"); document.forms[0].option.value="-3";
form.submit();
}
function showLeftTime(stopTimeMillSec) {
var now = new Date();
var nowMillSec = now.getTime();
var today = new Date(stopTimeMillSec - nowMillSec);
if(today < 0 ){
timeOver();
}
var hour = today.getHours() - 8;
var minute = today.getMinutes();
var second = today.getSeconds();
time = hour + ":" + minute + ":" + second;
document.form.lefttime.value = time;
var s = "showLeftTime(" + stopTimeMillSec + ");"
window.setTimeout(s, 500);
}
function Clicked(evt,qid) { //键盘触发事件
var theKey theKey = evt.keyCode
if (theKey == 8 ||theKey == 116) //屏蔽 F5 刷新键
{
window.event.keyCode = 0;
window.event.returnValue = false;
} if(qid==2){ //选择题 switch(theKey){ case 101: //上一题 5 号键
stPre();
form.submit();
break
case 102: //下一题 6键
stNext();
form.submit();
break
case 99: //C 3 键
stC();
form.submit();
break
case 96: //D 0键
stD();
form.submit();
break
case 97: //A 1键
stA();
form.submit();
break
case 98: //B 2键
stB();
form.submit();
break
case 100: //交卷 4键
stRefer();
form.submit();
break
case 109: //关机 双击-键
GuanJi()
break
default:
break
}
}
if(qid==1){ //判断题
switch(theKey){ case 101: //上一题 5 号键
stPre();
form.submit();
break
case 102: //下一题 6键
stNext();
form.submit();
break case 97: //对 1键
stYES();
form.submit();
break
case 98: //错 2键
stNO();
form.submit();
break
case 100: //交卷 4键
stRefer();
form.submit();
break
case 109: //关机 双击-键
GuanJi()
break
default:
break
}
} } </script>
</HEAD>
检查执行RunTimer(k)时
$("tit_time")是否完成加载
把它放在调用的函数里面去就可以
clearInterval(a)//结束