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

To use the addISOWeekYears function from date-fns in JavaScript, you need to first install the date-fns package using npm. You can use the following command for that:

index.tsx
npm install date-fns
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Once you have installed the package, you can import the addISOWeekYears function from date-fns like this:

import { addISOWeekYears } from 'date-fns';
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Then you can use the addISOWeekYears function to add a specified number of ISO week years to a given date. Here is an example:

const date = new Date('2021-07-20');
const yearsToAdd = 2;
const result = addISOWeekYears(date, yearsToAdd);
console.log(result); // Outputs: 2023-07-18T00:00:00.000Z
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In the above example, we are using the addISOWeekYears function to add 2 ISO week years to the date 2021-07-20. The function returns a new date object with the added years, which we are logging to the console.