index.html
<!DOCTYPE html>
<html>
<body>
<input type="text" id="today"><br>
<script>
elem('today').value = getToday();
function elem(id) {
return document.getElementById(id);
}
function add0(times) {
for(var i = 0; i < times.length; i++) {
if(times[i] < 10) {
times[i] = "0" + times[i];
}
}
return times;
}
function getToday() {
var now = new Date();
var year = now.getFullYear();
var month = now.getMonth() + 1;
var dayNum = now.getDay();
var day = getDay(dayNum);
var date = now.getDate();
var today = add0([year, month, date, day]).join('/');
return today;
}
function getDay(dayNum) {
var SEVEN_DAYS = "日月火水木金土";
var day = SEVEN_DAYS[dayNum];
return day;
}
</script>
</body>
</html>
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