var nowdays = new Date(); var year = nowdays.getFullYear(); var month = nowdays.getMonth(); if(month==0){ month = 12; year = year-1; } if(month<10){ month = '0'+month; } var myDate = new Date(year,month,0); var startDate = year+'-'+month+'-01 00:00:0
var now = new Date(); var fd = new Date(now.getFullYear(), now.getMonth()-1 ,1).toLocaleDateString(); var ed = new Date(now.getFullYear(), now.getMonth(), 0).toLocaleDateString(); console.log(fd); console.log(ed);
js 获取当前月份 第一天和最后一天 var now = new Date(); //当前日期 var nowMonth = now.getMonth(); //当前月 var nowYear = now.getFullYear(); //当前年 //本月的开始时间 var monthStartDate = new Date(nowYear, nowMonth, 1); //本月的结束时间 var monthEndDate = new Date(nowYear, nowMonth+1, 0);
1.获取某月第一天和最后一天日期 function getDateByMonth (timeStamp) { let inDate = new Date(timeStamp) let year = inDate.getFullYear() let month = inDate.getMonth() let startTime = new Date(year, month, 1).getTime() let endTime = new Date(year, month + 1, 0).getTim
javascript根据当前日期获取上个月日期 function lastMonthDate(){ var Nowdate = new Date(); var vYear = Nowdate.getFullYear(); var vMon = Nowdate.getMonth() + 1; var vDay = Nowdate.getDate(); //每个月的最后一天日期(为了使用月份便于查找,数组第一位设为0) var daysInMonth = new Array(0,31,28,31,3
1.yyyy-mm-dd获取上个月 function getUpMonth(t){ var tarr = t.split('-'); var year = tarr[0]; //获取当前日期的年 var month = tarr[1]; //获取当前日期的月 var day = tarr[2]; //获取当前日期的日 var days = new Date(year,month,0); days = days.getDate();//获取当前日期中的月的天数 var year2 = year;