PracticeFolder/23-08-2021.html at main · SwifSys/PracticeFolder · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<!-- //Taking Input from user
        // check first year is gretter or not -->

<body>
    <script>
        //Taking Input from user
        var input2 = '2021-12-10';
        var input1 = '2021-08-24'; //YYYY-MM-DD
        console.log(input1, input2); //Printing Data
        //converting into js base date formate..
        const dateFrom = new Date(input1);
        const dateTo = new Date(input2);
        console.log(`Date Convert:: ${dateFrom},${dateTo}`);//confirming output
        //seprating date month year of both ..
        var day1 = dateFrom.getDate();
        var mon1 = dateFrom.getMonth();
        var year1 = dateFrom.getFullYear();
        var day2 = dateTo.getDate();
        var mon2 = dateTo.getMonth();
        var year2 = dateTo.getFullYear();
        console.log(day1, mon1, year1, day2, mon2, year2);

        if (day2 < day1) {
            //For March We have to take from february...
            if (mon2 == 3) {
                //check for leap year..
                if ((year2 % 4 == 0 && year2 % 100 != 0) || (year2 % 400 == 0)) {
                    day2 += 29;
                } else {
                    day2 += 28;
                }
            }
            else if (mon2 == 5 || mon2 == 7 || mon2 == 10 || mon2 == 12) {
                day2 += 30;
            } else {
                day2 += 31;
            }
            mon2 = mon2 - 1;
        }
        if (mon2 < mon1) {
            mon2 += 12;
            year2 -= 1;
        }
        dayDiff = day2 - day1;
        monDiff = mon2 - mon1;
        yearDiff = year2 - year1;

        console.log(dayDiff, monDiff, yearDiff);
        const diffDays = (dateFrom - dateTo) / (1000 * 60 * 60 * 24);
        console.log('difference between days ' + diffDays)


    </script>
</body>

</html