30秒倒计时
<div class="form-group"> <label class="col-sm-2 control-label"> <a href="/notice/receive/list/1"> <input type="button" id="showTimes" value="已阅(30)" style="color: black" disabled/> </a> </label> </div> <script> var ss = 30; //然后写一个定时器 interval = window.setInterval(function () { ss-- // document.getElementById("showTimes").innerHTML = "已阅(" + ss + ")"; $('#showTimes').val("已阅(" + ss + ")"); if (ss == 0) { clearInterval(interval); $("#showTimes").attr("disabled", false); return; } }, 1000); </script>