<div id="myDiv">
<label for="set"><input type="number" id="set" step="1" value="0">秒</label>
<button id="btn">确定</button>
<button id="reset">重置</button>
</div>
<script>
var timer;
reset.onclick = function(){
history.go();
}
btn.onclick = function(){
if(timer) return;
set.setAttribute('disabled','disabled');
timer = setInterval(function(){
if(Number(set.value) === 0){
clearInterval(timer);
timer = 0;
set.removeAttribute('disabled');
return;
}
set.value = Number(set.value) - 1;
},1000);
}
</script>
<button id="reset">重置</button> /// 重置效果这里不想点击刷新，该如何修改，感谢感谢///

把reset.onclick换成你要的逻辑不就行了