gpbl gpbl - 1 year ago 106
Javascript Question

How to get the weekday names using Intl?

I'd like to display in my i18n-ed app a list of the 7 weekdays:

Sunday, Monday, Tuesday... Saturday

I rely on the Intl global object for formatting date/time but I can't find an easy way to get only the weekday names.

I thought I could add some days to the EPOCH time, to reach the first day of the week, but I'm failing to find a formatter printing just the weekday.

var date = new Date(0);
date.setDate(4 + day);
for (var i = 0; i < 7; i++) {
var weekday = new Intl.DateTimeFormat(["en"], {
weekday: "short" // ?? what should I put here


Sunday, January 4, 1970
Monday, January 5, 1970
Tuesday, January 6, 1970
Wednesday, January 7, 1970
Thursday, January 8, 1970
Friday, January 9, 1970
Saturday, January 10, 1970

Desired output:


I also would like to have a shorter version of the days, such as
Sun, Mon, Tue...

Alternatively, is there a way to get the weekday strings from
? I tried to explore the object via console but I couldn't find them.

Answer Source

I was misled because I was using the Intl polyfill, which does not support yet { weekday: "short" } as option.

Using native Intl implementations works as expected.

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