S. Obtain the current time (yesterday, today, tomorrow ).

S. Obtain the current time (yesterday, today, tomorrow ).

// Time of yesterdayvar day1 = new Date();day1.setTime(day1.getTime()-24*60*60*1000);var s1 = day1.getFullYear()+"-" + (day1.getMonth()+1) + "-" + day1.getDate();// Today's timevar day2 = new Date();day2.setTime(day2.getTime());var s2 = day2.getFullYear()+"-" + (day2.getMonth()+1) + "-" + day2.getDate();// Tomorrow's timevar day3 = new Date();day3.setTime(day3.getTime()+24*60*60*1000);var s3 = day3.getFullYear()+"-" + (day3.getMonth()+1) + "-" + day3.getDate();// Splicing timefunction show(){  var str = "" + s1 + "" + s2;  return str;}// Value doubleDate $('#dateS').val(show());