代码：
<!DOCTYPE html> <html> <head> <title>多个timeout</title> <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> </head> <body> <div> <h5 class="text-success">倒计</h5> <!-- 已结束 --> <p id="order_time_1" data-id="1" data-starttime="2019-12-01 11:59:59" data-endtime="2020-02-02 11:30:59" class="remain-time">已结束</p> <!-- 距多少开始 --> <p id="order_time_2" data-id="2" data-starttime="2019-12-08 11:30:00" data-endtime="2020-03-20 12:00:00" class="remain-time">距多少开始</p> <!-- 距多少开始 --> <p id="order_time_22" data-id="22" data-starttime="2019-12-01 16:42:30" data-endtime="2020-03-20 12:00:00" class="remain-time">距多少开始3</p> <!-- 距多少结束 --> <p id="order_time_3" data-id="3" data-starttime="2019-12-01 23:59:59" data-endtime="2020-03-10 23:59:59" class="remain-time">距多少结束</p> <!-- 距多少结束 --> <p id="order_time_33" data-id="33" data-starttime="2019-12-01 23:59:59" data-endtime="2020-03-1 16:44:00" class="remain-time">距多少结束3</p> </div> <script type="text/javascript"> var jsq = { startdata: [], enddata: [], addStart: function (key, value) { if (typeof (jsq.startdata[key]) == 'undefined') { jsq.startdata[key] = value; } }, addEnd: function (key, value) { if (typeof (jsq.enddata[key]) == 'undefined') { jsq.enddata[key] = value; } }, addAll: function () { $(".remain-time").each(function (i) { var key = $(this).attr("data-id"); var startValue = $(this).attr("data-starttime"); var endValue = $(this).attr("data-endtime"); //添加计时元素 if (typeof (jsq.startdata[key]) == 'undefined') { jsq.addStart(key, startValue); jsq.addEnd(key, endValue); } }); //执行检测 jsq.subAll(); }, subAll: function () { for (var index in jsq.startdata) { var nowTime = new Date(); var startTime = new Date(jsq.startdata[index].toString().replace(/-/g, '/')); var endTime = new Date(jsq.enddata[index].toString().replace(/-/g, '/')); var S_timestamp = startTime.getTime() - nowTime.getTime(); var E_timestamp = endTime.getTime() - nowTime.getTime(); //console.log(startTime); if (E_timestamp <= 1000) //小1秒 { $('#order_time_' + index).text('已结束 >' + jsq.enddata[index].toString()); $('#order_time_' + index).css("color", "red"); //$("#order_time_" + key).parent().parent().parent().parent().remove(); //删除 } else if (E_timestamp > 0 && S_timestamp >= 1000) //大1秒 { //提取时间元素 var _day = Math.floor(S_timestamp / 1000 / 60 / 60 / 24); var _hour = Math.floor(S_timestamp / 1000 / 60 / 60 % 24); var _min = Math.floor(S_timestamp / 1000 / 60 % 60); var _sec = Math.floor(S_timestamp / 1000 % 60); if (_hour < 10) { _hour = "0" + _hour; } if (_min < 10) { _min = "0" + _min; } if (_sec < 10) { _sec = "0" + _sec; } $('#order_time_' + index).text(_day + "天" + _hour + "时" + _min + "分" + _sec + "秒" + "开始"); } else { //提取时间元素 var _day = Math.floor(E_timestamp / 1000 / 60 / 60 / 24); var _hour = Math.floor(E_timestamp / 1000 / 60 / 60 % 24); var _min = Math.floor(E_timestamp / 1000 / 60 % 60); var _sec = Math.floor(E_timestamp / 1000 % 60); if (_hour < 10) { _hour = "0" + _hour; } if (_min < 10) { _min = "0" + _min; } if (_sec < 10) { _sec = "0" + _sec; } $('#order_time_' + index).text(_day + "天" + _hour + "时" + _min + "分" + _sec + "秒" + "结束"); } } } }; $(function () { //倒计时 setInterval('jsq.addAll()', 1000); }); </script> </body> </html>