<script language="javascript">
var timeout=-1;
var timer;
function cal(){
if(startButton.value=="开始"){
startButton.value="暂停";
timer=setInterval("timeout++;textField.value=timeout;if(timeout==600){ timeout=0;clearInterval(timer);startButton.value='开始';alert('d')}",1000)
}
else{
clearInterval(timer);
startButton.value="开始";
}
}
function reset(){
startButton.value="开始";
textField.value=" ";
if(timer!=null){
timeout=-1;
clearInterval(timer);
}
}
</script><div align="center">
<input type="text" size=10 name="textField">
<input type="submit" size=10 name="startButton" value="开始" onclick="cal();">
<input type="submit" size=10 name="resetButton" value="重置" onclick="reset();"></div>
</body>
</html>
var timeout=-1;
var timer;
function cal(){
if(startButton.value=="开始"){
startButton.value="暂停";
timer=setInterval("timeout++;textField.value=timeout;if(timeout==600){ timeout=0;clearInterval(timer);startButton.value='开始';alert('d')}",1000)
}
else{
clearInterval(timer);
startButton.value="开始";
}
}
function reset(){
startButton.value="开始";
textField.value=" ";
if(timer!=null){
timeout=-1;
clearInterval(timer);
}
}
</script><div align="center">
<input type="text" size=10 name="textField">
<input type="submit" size=10 name="startButton" value="开始" onclick="cal();">
<input type="submit" size=10 name="resetButton" value="重置" onclick="reset();"></div>
</body>
</html>