vue获取当前月最后一天_js获取当前月份的第一天和最后一天

1.获取当前月份的第一天

function getCurrentMonthFirst(){

var date = new Date();

date.setDate(1);

var month = parseInt(date.getMonth()+1);

var day = date.getDate();

if (month < 10) {

month = '0' + month

}

if (day < 10) {

day = '0' + day

}

return date.getFullYear() + '-' + month + '-' + day;

}

2.获取当前月份的最后一天

function getCurrentMonthLast(){

var date=new Date();

var currentMonth=date.getMonth();

var nextMonth=++currentMonth;

var nextMonthFirstDay=new Date(date.getFullYear(),nextMonth,1);

var oneDay=1000*60*60*24;

var lastTime = new Date(nextMonthFirstDay-oneDay);

var month = parseInt(lastTime.getMonth()+1);

var day = lastTime.getDate();

if (month < 10) {

month = '0' + month

}

if (day < 10) {

day = '0' + day

}

return date.getFullYear() + '-' + month + '-' + day;

}

3.获取当天日期

function getNowFormatDate() {

var date = new Date();

var seperator1 = "-";

var year = date.getFullYear();

var month = date.getMonth() + 1;

var strDate = date.getDate();

if (month >= 1 && month <= 9) {

month = "0" + month;

}

if (strDate >= 0 && strDate <= 9) {

strDate = "0" + strDate;

}

var currentdate = year + seperator1 + month + seperator1 + strDate;

return currentdate;

}

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