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

To use the setMonth function from the date-fns library in Javascript, you first need to install the library using npm:

npm install date-fns
21 chars
2 lines

Then, you can import the setMonth function into your code and use it to set the month of a Date object:

index.tsx
import { setMonth } from 'date-fns';

const myDate = new Date();
const updatedDate = setMonth(myDate, 5); // sets the month to June (zero-based index)
console.log(updatedDate); // displays the updated Date object
213 chars
6 lines

In the code above, we import the setMonth function from the date-fns library and use it to update the value of myDate to have a month of June (index 5 in JavaScript's Date object). The updated date is then logged to the console.