how to use the endofisoweek function from date-fns in javascript

To use the endOfISOWeek function from date-fns in JavaScript, first, install the date-fns package by running the following command:

index.tsx
npm install date-fns
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Then, import the endOfISOWeek function into your JavaScript code as shown below:

index.tsx
import { endOfISOWeek } from 'date-fns';
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Now, you can use the endOfISOWeek function to get the end of the ISO week for a given date. The endOfISOWeek function takes one parameter which is a date or a timestamp.

Here's an example that shows how to use the endOfISOWeek function:

index.tsx
const date = new Date('2022-02-21');
const endOfWeek = endOfISOWeek(date);
console.log(endOfWeek); // output: 2022-02-27T23:59:59.999Z
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In the example above, we passed a date of 2022-02-21 to the endOfISOWeek function, and it returned the end of the ISO week which is 2022-02-27T23:59:59.999Z (an ISO 8601 formatted string representing a date-time).