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HTML | DOM Input Image formEnctype Property

  • Last Updated : 23 Aug, 2019

The Input Image formEnctype Property in HTML DOM is used to set or return the value of the Enctype Attribute of an Input Image. 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”. It overrides the enctype attribute of a <form> element.
Syntax:

  • It returns the formEnctype property.
    imageObject.formEnctype
  • It is used to set the formEnctype property.
    imageObject.formEnctype = "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 and converts into + symbols and special character into its hex value.
    • multipart/form-data: It 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 represents the encoding type of the form data when sending it to the server.

    Example 1: This example that illustrates how to return Input Image formEnctype Property.




    <!DOCTYPE html>
    <html>
      
    <head>
        <title>
            HTML DOM Input Image formEnctype
        </title>
    </head>
      
    <body style="text-align:center;">
      
        <h1 style="color:green;"
          GeeksforGeeks 
        </h1>
      
        <h4>
          DOM Input Image formEnctype Property
        </h4>
        <button onclick="my_geek()">
            <input id="myImage" formEnctype="application/x-www-form-urlencoded" 
                   type="image" formtarget="#" src=
                   alt="Submit" width="48" height="48" formMethod="post" 
             formNoValidate>
        </button>
      
        <h2 id="Geek_h" style="color:green;"
      
            </h2>
        <script>
            function my_geek() {
      
                // Return target, alt and height. 
                var txt = document.getElementById(
                    "myImage").formEnctype;
                document.getElementById(
                    "Geek_h").innerHTML = txt;
            }
        </script>
    </body>
      
    </html>

    Output:



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

    Example-2 : This Example illustrates how to set the formEnctype Property.




    <!DOCTYPE html>
    <html>
      
    <head>
        <title>
            HTML DOM Input Image formEnctype
        </title>
    </head>
      
    <body style="text-align:center;">
      
        <h1 style="color:green;"
          GeeksforGeeks 
        </h1>
      
        <h4>
          DOM Input Image formEnctype Property
        </h4>
        <button onclick="my_geek()">
            <input id="myImage" formEnctype="application/x-www-form-urlencoded" 
                   type="image" formtarget="#" src=
                   alt="Submit" width="48" height="48" formMethod="post"
             formNoValidate>
        </button>
      
        <h2 id="Geek_h" style="color:green;"></h2>
        <script>
            function my_geek() {
      
                // Return target, alt and height. 
                var txt = document.getElementById(
                    "myImage").formEnctype = "text/plan";
                document.getElementById(
                    "Geek_h").innerHTML = 
                  "The value of the formEnctype Attribute was changed to "
                  + txt;
            }
        </script>
    </body>
      
    </html>

    Output:

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

    Supported Browsers: The browsers supported by HTML DOM Input Image formEnctype Property are listed below:

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

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