JS 获取本月第一天零点时间戳并转化成yy-mm-dd 格式
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
</body>
</html>
<script type="text/javascript">
//时间戳转换
function formatDateTime(inputTime) {
var date = new Date(inputTime);
var y = date.getFullYear();
var m = date.getMonth() + 1;
m = m < 10 ? ('0' + m) : m;
var d = date.getDate();
d = d < 10 ? ('0' + d) : d;
var h = date.getHours();
h = h < 10 ? ('0' + h) : h;
var minute = date.getMinutes();
var second = date.getSeconds();
minute = minute < 10 ? ('0' + minute) : minute;
second = second < 10 ? ('0' + second) : second;
return y + '-' + m + '-' + d+' '+h+':'+minute+':'+second;
};
//获取本月第一天零点零分零秒
var data=new Date();
data.setDate(1);
data.setHours(0);
data.setSeconds(0);
data.setMinutes(0);
console.log(formatDateTime(data.getTime()));
</script>