js获取相关的日期

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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    
    <title>纯js获取日期</title>

</head>
<body>

<script type="text/javascript">
var dir_week = new Array();
dir_week[0] ='星期一';
dir_week[1] ='星期二';
dir_week[2] ='星期三';
dir_week[3] ='星期四';
dir_week[4] ='星期五';
dir_week[5] ='星期六';
dir_week[6] ='星期日';

var now = new Date();

console.log('本周');
//获取本周第一天的时间
var firstDay=new Date(now - (now .getDay() - 1 ) * 86400000);

//打印本周的所有日期
for (var i = 0; i < dir_week.length; i++) {
  var tmp_day = new Date();
  tmp_day.setDate(firstDay.getDate() + i);
  console.log(dir_week[i]  + '    ' +  tmp_day.getDate());
}

console.log('上周');
//获取上周第一天的时间
var lastWeekDayone=new Date(now - (now .getDay() + 6 ) * 86400000);

//打印上周的所有日期
for (var i = 0; i < dir_week.length; i++) {
  var tmp_day = new Date();
  tmp_day.setDate(lastWeekDayone.getDate() + i);
  console.log(dir_week[i]  + '    ' +  tmp_day.getDate());
}

console.log('下周');
//获取下周第一天的时间
var nextWeekDayone=new Date(now - (now .getDay() - 8 ) * 86400000);

//打印下周的所有日期
for (var i = 0; i < dir_week.length; i++) {
  var tmp_day = new Date();
  tmp_day.setDate(nextWeekDayone.getDate() + i);
  console.log(dir_week[i]  + '    ' +  tmp_day.getDate());
}

console.log('其他');
var now_month = now.getMonth() + 1;
console.log('本年'+now.getFullYear());
console.log('本月'+now_month);
console.log(now.toDateString().split(" ")[1]);


</script>
</body>

 

posted @ 2019-03-14 16:24  宿晨  阅读(145)  评论(0编辑  收藏  举报