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HTML | DOM Input DatetimeLocal defaultValue Property
  • Last Updated : 18 Nov, 2019
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The Input DatetimeLocal defaultValue property is used to set or return the default value of a local datetime field. This property is used to reflect the HTML value attribute. The main difference between the default value and value is that the default value indicates the default value and the value contains the current value after making some changes. This property is useful to find out whether the DatetimeLocal field has been changed or not.

Syntax:

  • It is used to return the defaultValue property.
    datetimelocalObject.defaultValue
  • It is used to set the defaultValue property.
    datetimelocalObject.defaultValue = value

Property Values: It contains single property “value” which defines the default value for text field.

Return Value: It returns a string value which represent the default value of the text field.

Example 1: This example illustrates how to return Input DatetimeLocal defaultValue property.






<!DOCTYPE html> 
<html
  
<head
    <title>Input DatetimeLocal defaultvalue Property</title
    <style
        h1 { 
            color: green; 
        
          
        h2 { 
            font-family: Impact; 
        
          
        body { 
            text-align: center; 
        
    </style
</head
  
<body
    <h1>GeeksforGeeks</h1
  
    <h2>HTML DOM Input DatetimeLocal defaultvalue Property</h2
  
    <input type="datetime-local" autocomplete="on"
        id="test"
        value="2019-07-02T25:32Z" autofocus> 
  
    <p>Double Click to return the defaltvalue Property.</p
  
    <button ondblclick="Access()">Access</button
  
    <p id="check"></p
  
    <script
        function Access() { 
              
            // Accessing input element type value 
            var a = document.getElementById( 
                    "test").defaultValue; 
              
            document.getElementById( 
                    "check").innerHTML = a; 
        
    </script
</body
  
</html>                    

Output:

  • Before Clicking On Button:
  • After Clicking On Button:

Example 2: This example illustrates how to return Input DatetimeLocal defaultValue property.




<!DOCTYPE html> 
<html
  
<head
    <title>Input DatetimeLocal defaultvalue Property</title
    <style
        h1 { 
            color: green; 
        
          
        h2 { 
            font-family: Impact; 
        
          
        body { 
            text-align: center; 
        
    </style
</head
  
<body
    <h1>GeeksforGeeks</h1
  
    <h2>HTML DOM Input DatetimeLocal defaultvalue Property</h2
  
    <input type="datetime-local" autocomplete="on"
        id="test"
        value="2019-07-02T25:32Z" autofocus> 
  
    <p>Double Click to set the defaltvalue Property.</p
  
    <button ondblclick="Access()">Access</button
  
    <p id="check"></p
  
    <script
        function Access() { 
              
            // Accessing input element type value 
            var a = document.getElementById( 
            "test").defaultValue = " 2015-01-02T11:42:13.510"; 
              
            document.getElementById( 
            "check").innerHTML = " The value was changed to " + a; 
        
    </script
  
</body
  
</html>                    

Output:

  • Before Clicking On Button:
  • After Clicking On Button:

Supported Browsers: The browsers supported by HTML DOM Input DatetimeLocal defaultvalue Property are listed below:

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

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