Js date range initialization method to get the date of the previous month, js Initialization

Js date range initialization method to get the date of the previous month, js Initialization

This example describes how to initialize the js date range to get the date of the previous month. Share it with you for your reference. The specific analysis is as follows:

The initialization of the time range is set today. The start time is the previous month of the current time, and the perfect solution is finally found.

Date.prototype.format = function(format) { var o = {  "M+" : this.getMonth() + 1, // month  "d+" : this.getDate(), // day  "h+" : this.getHours(), // hour  "m+" : this.getMinutes(), // minute  "s+" : this.getSeconds(), // second  "q+" : Math.floor((this.getMonth() + 3) / 3), // quarter  "S" : this.getMilliseconds() // millisecond } if (/(y+)/.test(format))  format = format.replace(RegExp.$1, (this.getFullYear() + "")    .substr(4 - RegExp.$1.length)); for ( var k in o)  if (new RegExp("(" + k + ")").test(format))   format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k]     : ("00" + o[k]).substr(("" + o[k]).length)); return format;}var begin=new Date();var end=new Date();new Date(begin.setMonth((new Date().getMonth()-1)));var begintime= begin.Format("yyyy-MM-dd");var endtime=end.Format("yyyy-MM-dd");$('#txtBeginVisitTime').val(begintime);$('#txtEndVisitTime').val(endtime);

I hope this article will help you design javascript programs.