Javascript Reference - HTML DOM Form enctype Property

The enctype property sets or gets the enctype attribute in a form.

The enctype attribute sets how form-data should be encoded before sending it to the server.

The form-data is encoded to "application/x-www-form-urlencoded" by default. All characters are encoded before they are sent to the server.

Browser Support


`enctype`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the enctype property.

var v = formObject.enctype

Set the enctype property.

formObject.enctype='application/x-www-form-urlencoded|multipart/form-data|text/plain'

Property Values

Value	Description
application/x-www-form-urlencoded	All characters are encoded before sent. This is default.
multipart/form-data	No characters are encoded. This value is required for a file upload control
text/plain	Spaces are converted to '+' symbols, but no special characters are encoded

Return Value

A String type value representing how form-data should be encoded before sending it to the server.

Example

The following code shows how to change the enctype value.


<!DOCTYPE html>
<html>
<body>
<!--from   ww  w . ja v  a 2s .  co m-->
<form id="myForm" action="demo_post_enctype.asp" method="post">
  First name: <input type="text" name="fname" value="abc"><br>
  <input type="submit" value="Submit">
</form>
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    document.getElementById("myForm").enctype = "multipart/form-data";
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to get enctype for a form.


<!DOCTYPE html>
<html>
<body>
<!--from   w  w  w  . j  ava 2 s . c o m-->
<form id="myForm" action="demo_post_enctype.asp" method="post">
  First name: <input type="text" name="fname" value="abc"><br>
  <input type="submit" value="Submit">
</form>
<button onclick="myFunction()">test</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("myForm").enctype;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The code above is rendered as follows: