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

To use the subweeks function from date-fns in JavaScript, first install the date-fns library through npm. Then you can import the subWeeks function and use it to subtract a specified number of weeks from a given date.

Here's an example code snippet:

const { subWeeks } = require('date-fns');

const currentDate = new Date(); // current date
const twoWeeksAgo = subWeeks(currentDate, 2); // subtract 2 weeks from current date

console.log(twoWeeksAgo); // output: Date object representing the date 2 weeks ago
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In this example, we imported the subWeeks function from the date-fns library and used it to subtract 2 weeks from the current date. The resulting twoWeeksAgo variable contains a Date object representing the date that was calculated.

You can use this function to manipulate dates in various ways and extract the desired date and time information.