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

To use the endOfDay function from the date-fns library in JavaScript, you can follow these steps:

1. Install the date-fns library using npm or yarn:

npm install date-fns
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or

yarn add date-fns
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2. Import the endOfDay function in your JavaScript code:

index.tsx
import { endOfDay } from 'date-fns';
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3. Call the endOfDay function with a date object:

index.tsx
const date = new Date('2021-12-31 23:59:59');
const endOfDayDate = endOfDay(date);
console.log(endOfDayDate); // Output: 2021-12-31T23:59:59.999Z
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The endOfDay function returns a new date object with the time set to 23:59:59.999, which represents the end of the day for the given date.