//获取当前时间戳      var timestamp = Date.parse(new Date());      timestamp = timestamp / 1000;      console.log("当前时间戳为：" + timestamp);    //获取当前时间      var n = timestamp * 1000;      var date = new Date(n);      //年      var Y = date.getFullYear();      //月      var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1);      //日      var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();      //时      var h = date.getHours();      //分      var m = date.getMinutes();      //秒      var s = date.getSeconds();          console.log("当前时间：" +Y+M+D+h+":"+m+":"+s);        //转换为时间格式字符串      console.log(date.toDateString());        console.log(date.toGMTString());        console.log(date.toISOString());          console.log(date.toJSON());            console.log(date.toLocaleDateString());        console.log(date.toLocaleString());          console.log(date.toLocaleTimeString());           console.log(date.toString());           console.log(date.toTimeString());           console.log(date.toUTCString());   //时间、时间戳加减 以加一天举例    //加一天的时间戳：      var tomorrow_timetamp = timestamp + 24 * 60 * 60;      //加一天的时间：      var n_to = tomorrow_timetamp * 1000;      var tomorrow_date = new Date(n_to);      //加一天后的年份      var Y_tomorrow = tomorrow_date.getFullYear();      //加一天后的月份      var M_tomorrow = (tomorrow_date.getMonth() + 1 < 10 ? '0' + (tomorrow_date.getMonth() + 1) : tomorrow_date.getMonth() + 1);      //加一天后的日期      var D_tomorrow = tomorrow_date.getDate() < 10 ? '0' + tomorrow_date.getDate() : tomorrow_date.getDate();      //加一天后的时刻      var h_tomorrow = tomorrow_date.getHours();      //加一天后的分钟      var m_tomorrow = tomorrow_date.getMinutes();      //加一天后的秒数      var s_tomorrow = tomorrow_date.getSeconds();