How to get three month ago date

How to get three month ago date in javascript in the format as YYYYDDMM efficiently - Stack Overflow
I know a way to do in java:Calendar c5 = Calendar.getInstance();c5.add(Calendar.MONTH, -6);c5.getTime
How to get three month ago date in javascript in the format as YYYYDDMM efficientlyStack Overflow
admin7小时前
20