In React Javascript, what is the method to determine the number of days between two dates with a specific format?

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To determine the number of days between two dates with a specific format in React Javascript, you can use the following method:

const date1 = new Date("2022-10-01");
const date2 = new Date("2022-10-15");
const timeDiff = Math.abs(date2.getTime() - date1.getTime());
const diffDays = Math.ceil(timeDiff / (1000 * 3600 * 24));

console.log(diffDays); // Output: 14

In this code, we first define two variables date1 and date2 with the specific format of "YYYY-MM-DD". We then calculate the time difference between the two dates using the getTime() method, which returns the number of milliseconds between two dates. We then divide this time difference by the total number of milliseconds in a day to get the number of days. Finally, we use the ceil() method to round up the result, since we want the difference to be in whole days.