Date.prototype.getDay()
The getDay()
method returns the
day of the week for the specified date according to local time, where 0 represents
Sunday. For the day of the month, see Date.prototype.getDate()
.
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Syntax
getDay()
Return value
An integer number, between 0 and 6, corresponding to the day of the week for the given date, according to local time: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
Examples
Using getDay()
The second statement below assigns the value 1 to weekday
, based on the
value of the Date
object xmas95
. December 25, 1995, is a
Monday.
const xmas95 = new Date("December 25, 1995 23:15:30");
const weekday = xmas95.getDay();
console.log(weekday); // 1
Note: If needed, the full name of a day ("Monday"
for
example) can be obtained by using Intl.DateTimeFormat
with an options
parameter. Using this method, the internationalization is
made easier:
const options = { weekday: "long" };
console.log(new Intl.DateTimeFormat("en-US", options).format(Xmas95));
// Monday
console.log(new Intl.DateTimeFormat("de-DE", options).format(Xmas95));
// Montag
Specifications
Specification |
---|
ECMAScript Language Specification # sec-date.prototype.getday |
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