HTML | DOM Input Date max Property

Last Updated : 17 Jun, 2021

The Input Date max property is used for setting or returning the value of the max attribute of a date field. The max attribute returns a string that represents the maximum date allowed.
Syntax:

For returning the max property:

inputdateObject.max

For setting the max property:

inputdateObject.max = YYYY-MM-DD

Property Value:

YYYY-MM-DDThh:mm:ssTZD :It is used to specify the maximum date and time allowed.
- YYYY: It specifies the year.
- MM: It specifies the month.
- DD: It specifies the day of the month.
- T: It specifies the separator if time is also entered.
- hh: It specifies the hour.
- mm: It specifies the minutes.
- ss: It specifies the seconds.
- TZD: It specifies the Time Zone Designator.

Return Value: It returns a string value which represent the maximum value pf date field.

Below program illustrates the Date max property :
Getting the maximum date allowed for a date field.

html

<!DOCTYPE html>
<html>

<head>
    <title>Input Date max Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
        
        h2 {
            font-family: Impact;
        }
        
        body {
            text-align: center;
        }
    </style>
</head>

<body>

    <h1>GeeksforGeeks</h1>
    <h2>Input Date max Property</h2>
    <br>

    

<p>The range of date accepted is between 2019-02-18 and 2019-02-20:
        <input type="date" id="Test_Date" min="2019-02-18" max="2019-02-20c

        

<p>to return the max range of the date field,
          double click the "Return Max" button.</p>



        <button ondblclick="My_Date()">Return Max</button>

        <p id="test"></p>



        <script>
            function My_Date() {
                var d = document.getElementById("Test_Date").max;
                document.getElementById("test").innerHTML = d;
            }
        </script>

</body>

</html>

Output:

After clicking the button

Example-2: Below code set the date max property.

HTML

<!DOCTYPE html>
<html>

<head>
    <title>Input Date max Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
        
        h2 {
            font-family: Impact;
        }
        
        body {
            text-align: center;
        }
    </style>
</head>

<body>

    <h1>GeeksforGeeks</h1>
    <h2>Input Date max Property</h2>
        <input type="date" 
               id="Test_Date"
               min="2019-02-18" 
               max="2019-02-20"><br>

    

<p>to set the max range of the date field,
          double click the "Return Max" button.</p>



        <button ondblclick="My_Date()">Set Max</button>

        <p id="test"></p>



        <script>
            function My_Date() {
                var d = document.getElementById("Test_Date").max = "2020-12-12";
                document.getElementById("test").innerHTML = d;
            }
        </script>

</body>

</html>