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@LESTADru
Created February 6, 2014 17:15
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Какое число месяца было 100 дней назад? Какой день недели?
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Какое число месяца было 100 дней назад? Какой день недели?</title>
</head>
<body>
<script>
"use strict";
function getWeekDay(date) {
var dayNames = ['вс','пн','вт','ср','чт','пт','сб'] ;
return dayNames[ date.getDay() ];
}
var dateNow = new Date;
dateNow.setDate(dateNow.getDay() - 100);
alert(dateNow);
alert(getWeekDay(dateNow));
</script>
</body>
</html>
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