-
-
-
-
- function getPreMonth(date) {
- var arr = date.split('-');
- var year = arr[0];
- var month = arr[1];
- var day = arr[2];
- var days = new Date(year, month, 0);
- days = days.getDate();
- var year2 = year;
- var month2 = parseInt(month) - 1;
- if (month2 == 0) {
- year2 = parseInt(year2) - 1;
- month2 = 12;
- }
- var day2 = day;
- var days2 = new Date(year2, month2, 0);
- days2 = days2.getDate();
- if (day2 > days2) {
- day2 = days2;
- }
- if (month2 < 10) {
- month2 = '0' + month2;
- }
- var t2 = year2 + '-' + month2 + '-' + day2;
- return t2;
- }
- console.log(getPreMonth("2014-01-25"));
-
-
-
-
- function getNextMonth(date) {
- var arr = date.split('-');
- var year = arr[0];
- var month = arr[1];
- var day = arr[2];
- var days = new Date(year, month, 0);
- days = days.getDate();
- var year2 = year;
- var month2 = parseInt(month) + 1;
- if (month2 == 13) {
- year2 = parseInt(year2) + 1;
- month2 = 1;
- }
- var day2 = day;
- var days2 = new Date(year2, month2, 0);
- days2 = days2.getDate();
- if (day2 > days2) {
- day2 = days2;
- }
- if (month2 < 10) {
- month2 = '0' + month2;
- }
-
- var t2 = year2 + '-' + month2 + '-' + day2;
- return t2;
- }
- console.log(getNextMonth("2014-10-31"));
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