HTML | DOM Form enctype Property

Last Updated : 31 Aug, 2022

The Form enctype property in HTML DOM is used to set or return the value of the enctype attribute in a form. This attribute specifies the data that will be present in the form should be encoded when submitting to the server. This type of attribute can be used only if method = “POST”.

Syntax:

It is used to return the enctype property.

formObject.enctype

It is used to set the enctype property.

formObject.enctype = "application/x-www-form-urlencoded, multipart/form-data, text/plain"

Property Values:

application/x-www-form-urlencoded: It is the default value. It encodes all the characters before sent to the server. It converts spaces into + symbols and special character into its hex value.
multipart/form-data: This value does not encode any character.
text/plain: This value convert spaces into + symbols but special characters are not converted.

Return Value It returns a string value which represent the encoded type of the form data when sending it to the server.

Example 1: This example use getElementById() method to return the enctype property.

<!DOCTYPE html>  
<html>  
    <head>  
        <title> 
            HTML DOM Form enctype Property 
        </title>  
    </head>  
      
    <body>  
      
        <h1>GeeksforGeeks</h1>  
          
        <h2>DOM Form enctype Property</h2>  
          
        <form action="#" id="GFG" method="post"
                    enctype="multipart/form-data">  
                      
            First name: <input type="text" name="fname"> 
              
            <br><br>  
              
            Last name: <input type="text" name="lname"> 
              
            <br><br>  
              
            Address: <input type="text" name="Address"> 
              
            <br><br>  
              
            <input type="submit" value="Submit">  
        </form> 
          
        <p> 
            Click on Button to return enctype 
            attribute value 
        </p> 
          
        <button onclick = "myGeeks()"> 
            Click Here! 
        </button> 
          
        <p id = "sudo"></p> 
          
        <!-- Script to return enctype property value -->
        <script> 
            function myGeeks() { 
                var x = document.getElementById("GFG").enctype; 
                document.getElementById("sudo").innerHTML = x; 
            } 
        </script> 
    </body>  
</html>                             

Output:
Before Click on the Button:

After Click on the Button:

Example 2: This example set the enctype property.

<!DOCTYPE html>  
<html>  
    <head>  
        <title> 
            HTML DOM Form enctype Property 
        </title>  
    </head>  
      
    <body>  
      
        <h1>GeeksforGeeks</h1>  
          
        <h2>DOM Form enctype Property</h2>  
          
        <form action="#" id="GFG" method="post" 
                    enctype="multipart/form-data">  
                      
            First name: <input type="text" name="fname"> 
              
            <br><br>  
              
            Last name: <input type="text" name="lname"> 
              
            <br><br>  
              
            Address: <input type="text" name="Address"> 
              
            <br><br>  
              
            <input type="submit" value="Submit">  
        </form> 
          
        <p> 
            Click on Button to return the 
            enctype attribute value 
        </p> 
          
        <button onclick="myGeeks()"> 
            Click Here! 
        </button> 
          
        <p id="sudo"></p> 
          
        <!-- Script to set enctype attribute value -->
        <script> 
            function myGeeks() { 
                var x = document.getElementById("GFG").enctype  
                        = "application/x-www-form-urlencoded"; 
                document.getElementById("sudo").innerHTML 
                        = "The value of the enctype attribute" 
                        + " was changed to: " + x; 
            } 
        </script> 
    </body>  
</html>                     