前言：获取今天至前面一周的时间
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
</head>
<body>
<script src="jquery.js"></script>
<script>
var GAME = {};
GAME.monthstart = ''; //当前月的，第一天
GAME.monthend = ''; //当前月的，今天
formatDate();
function formatDate() {
now = new Date();
now2 = new Date();
var year = now.getFullYear(),
month = now.getMonth() + 1,
date = 1,
date2 = now.getDate(),
hour = now.getHours(),
minute = now.getMinutes(),
second = now.getSeconds();
minute = checkTime(minute);
month = checkTime(month);
date = checkTime(date);
date2 = checkTime(date2);
hour = checkTime(hour);
second = checkTime(second);
var nowdate = new Date();
var oneweekdate = new Date(nowdate - 7 * 24 * 3600 * 1000);
var m = oneweekdate.getMonth() + 1;
var d = oneweekdate.getDate();
var month0 = checkTime(m);
var d0 = checkTime(d);
GAME.monthstart = year + "-" + month0 + "-" + d0
GAME.monthend = year + "-" + month + "-" + date2
}
function checkTime(i) {
if(i < 10) {
i = "0" + i
}
return i
}
console.log(GAME.monthstart);
console.log(GAME.monthend);
</script>
</body>
</html>