find the leap year by using for loop

manku

enter any year than display the leap or not

Jan 19 '15 #1

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2409

Exequiel

288

256MB

You don't need for loop to determine if leap year or not. Try this code I made.

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<html>

<head>

<title>Zick Sample</title>

<script>

function leapyear()

{

    var year = document.getElementById("inputyear").value;

    if(year != "")

    {

        if ((year % 4 == 0) && year % 100 != 0)

        {

            alert(year + " is a leap year.");

        }

        else if (year % 400 == 0)

        {

            alert(year + " is a leap year.");

        }

        else

        {

            alert(year + " is not a leap year.");

        }

    }

}

</script>

</head>

<body>

<form method="post" action="javascript:;">

    <input type="text" id="inputyear" placeholder="Enter the year."><br>

    <input type="submit" value="Submit" onclick="leapyear()">

</form>

</body>

</html>

Jan 20 '15 #2

Dormilich

8,658

Expert Mod 8TB

one of the best leap year calculations I found:

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(new Date(year, 1, 29).getDate() === 29)

Jan 20 '15 #3

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