To use the differenceInCalendarISOWeekYears
function from date-fns in JavaScript, you will need to install the date-fns library:
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Then, you can import the function into your JavaScript file and use it as follows:
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In this example, we are using the differenceInCalendarISOWeekYears
function to calculate the difference in ISO week years between January 1st, 2021 and January 1st, 2024. The result should be 2
since these two dates are in different ISO week years.
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