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HTML | DOM Input Datetime value Property
  • Difficulty Level : Basic
  • Last Updated : 27 May, 2021

The Input Datetime value property is used for setting or returning the value of the value attribute of a datetime field. 
The Input Datetime value attribute can be used for specifying a date and time for the datetime field.

Syntax: 

  • For returning the value property:
datetimeObject.value
  • For setting the value property:
datetimeObject.value = YYYY-MM-DDThh:mm:ssTZD

Property Value: 

  • YYYY-MM-DDThh:mm:ssTZD: It is used to specify the date and/or time. 
    • 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.

The below program illustrates the Datetime value property :

Example 1: Returning the value of the date and time for the datetime field. 



HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>Input Datetime value Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Input Datetime value Property</h2>
    <br> Date Of Birth:
    <input type="datetime" id="Test_Datetime" value="2019-11-11">
 
     
 
<p>To return a date and time for the datetime field,
    double-click the "Set Date And Time" button.</p>
 
 
 
    <button ondblclick="My_Datetime()">Return Date And Time</button>
 
    <p id="test"></p>
 
 
 
    <script>
        function My_Datetime() {
            var g = document.getElementById("Test_Datetime").value;
            document.getElementById("test").innerHTML = g;
                                         
        }
    </script>
 
</body>
 
</html>

Before:

After:

Example 2: Setting a date and time for a datetime field.  

HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>Input Datetime value Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Input Datetime value Property</h2>
    <br> Date Of Birth:
    <input type="datetime" id="Test_Datetime">
 
     
 
<p>To set a date and time for the datetime field,
      double-click the "Set Date And Time" button.</p>
 
 
 
    <button ondblclick="My_Datetime()">Set Date And Time</button>
 
    <p id="test"></p>
 
 
 
    <script>
        function My_Datetime() {
            document.getElementById("Test_Datetime").value =
                                         "2019-02-04T12:32Z";
        }
    </script>
 
</body>
 
</html>
                                        

Output: 
 

After clicking the button 
 

Supported Web Browsers:  

  • Apple Safari
  • Internet Explorer
  • Firefox
  • Google Chrome
  • Opera 



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