diff --git a/snippets/daysFromNow.md b/snippets/daysFromNow.md new file mode 100644 index 000000000..8bf9bd201 --- /dev/null +++ b/snippets/daysFromNow.md @@ -0,0 +1,21 @@ +--- +title: daysFromNow +tags: date,beginner +--- + +Returns the date of `n` days from today as a string representation. + +- Use `new Date()` to get the current date, `Math.abs()` and `Date.getDate()` to update the date accordingly and set to the result using `Date.setDate()`. +- Use `Date.prototype.toISOString()` to return a string in `yyyy-mm-dd` format. + +```js +const daysFromNow = n => { + let d = new Date(); + d.setDate(d.getDate() + Math.abs(n)); + return d.toISOString().split('T')[0]; +} +``` + +```js +daysFromNow(5); // 2020-10-13 (if current date is 2020-10-08) +```