React Js Get Current Week number

      function getCurrentWeekNumber() {

        const now = new Date();

        const startOfYear = new Date(now.getFullYear(), 0, 1);

        const startOfWeek = new Date(

          startOfYear.setDate(startOfYear.getDate() - startOfYear.getDay())

        );

​

        const diffInTime = now.getTime() - startOfWeek.getTime();

        const diffInWeeks = Math.floor(diffInTime / (1000 * 3600 * 24 * 7));

​

        return diffInWeeks + 1; // Add 1 to account for the first week

      }

​

      function App() {

        const currentWeekNumber = getCurrentWeekNumber();

​

        return (

          <div className="container">

            <h3>React Js Get Current Week number</h3>

            <p>Current Week Number: {currentWeekNumber}</p>

          </div>

        );

      }

​

      ReactDOM.render(<App />, document.getElementById("app"));

    </script>