javascript get day of year
// `date` is a Date object
const dayOfYear = date => Math.floor((date - new Date(date.getFullYear(), 0, 0)) / (1000 * 60 * 60 * 24));
// Example
dayOfYear(new Date(2020, 04, 16)); // 137
javascript get day of year
// `date` is a Date object
const dayOfYear = date => Math.floor((date - new Date(date.getFullYear(), 0, 0)) / (1000 * 60 * 60 * 24));
// Example
dayOfYear(new Date(2020, 04, 16)); // 137
get day js
switch (new Date().getDay()) {
case 0:
day = "Sunday";
break;
case 1:
day = "Monday";
break;
case 2:
day = "Tuesday";
break;
case 3:
day = "Wednesday";
break;
case 4:
day = "Thursday";
break;
case 5:
day = "Friday";
break;
case 6:
day = "Saturday";
}
javascript get day
var d = new Date();
var n = d.toLocaleString("en-US", { "weekday": "long" }); // Monday
n += "\n" + d.toLocaleString("en-US", { "weekday": "short" }); // Mon
n += "\n" + d.toLocaleString("en-US", { "weekday": "narrow" }); // M
new date getday js
Date.getDay()
// Javascript date getDay() method returns the day of the week for the specified
// date according to local time. The value returned by getDay() is an integer
// corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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