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

You can use the differenceInMonths function from date-fns library in JavaScript to get the difference in months between two dates. Here is an example code block that demonstrates the usage of differenceInMonths:

index.tsx
const { differenceInMonths } = require('date-fns');

const date1 = new Date('2020-01-01');
const date2 = new Date('2021-05-15');

const diffInMonths = differenceInMonths(date2, date1);

console.log(diffInMonths);  // Output: 16
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In the above code block, we first import the differenceInMonths function from the date-fns library. Then, we create two Date objects representing the two dates whose difference we want to calculate.

Finally, we call the differenceInMonths function with the two dates as arguments and store the result in the diffInMonths variable. The output is then logged to the console.

Note: Make sure you have installed the date-fns library in your project using npm before running this code.