“Submit is not a function” error in JavaScript

Can anyone tell me what is going wrong with this code? I tried to submit a form with JavaScript, but an error ".submit is not a function" shown. See below for more details of the code:

<form action="product.php" method="get" name="frmProduct" id="frmProduct" enctype="multipart/form-data">

<input onclick="submitAction()" id="submit_value" type="button" name="submit_value" value="">

</form>

<script type="text/javascript">
    function submitAction()
    {
        document.frmProduct.submit();
    }
</script>

I also tried this:

<script type="text/javascript">
    function submitAction()
    {
        document.forms["frmProduct"].submit();
    }
</script>

Both show me the same error :(

Answers:

Answer

submit is not a function

means that you named your submit button or some other element submit. Rename the button to btnSubmit and your call will magically work.

When you name the button submit, you override the submit() function on the form.

Answer
<form action="product.php" method="post" name="frmProduct" id="frmProduct" enctype="multipart/form-data">

<input id="submit_value" type="button" name="submit_value" value="">

</form>

<script type="text/javascript">

document.getElementById("submit_value").onclick = submitAction;

function submitAction()
{
    document.getElementById("frmProduct").submit();
    return false;
}
</script>

EDIT: I accidentally swapped the id's around

Answer

If you have no opportunity to change name="submit" you can also submit form this way:

function submitForm(form) {
    var submitFormFunction = Object.getPrototypeOf(form).submit;
    submitFormFunction.call(form);
}
Answer

Make sure that there is no another form with the same name and make sure that there is no name="submit" or id="submit" in the form.

Answer

I had the same issue when i was creating a MVC application using with master pages. Tried looking for element with 'submit' as names as mentioned above but it wasn't the case.

For my case it created multiple tags on my page so there were some issues referencing the correct form.

To work around this i'll let the button handle which form object to use:

onclick="return SubmitForm(this.form)"

and with the js:

function SubmitForm(frm) {
    frm.submit();
}
Answer

This topic has a lot of answers already, but the one that worked best (and simplest - one line!) for me was a modification of the comment made by Neil E. Pearson from Apr 21 2013:

If you're stuck with your submit button being #submit, you can get around it by stealing another form instance's submit() method.

My modification to his method, and what worked for me:

document.createElement('form').submit.call(document.getElementById(frmProduct));

Answer

giving a form element a name of submit will simple shadow the submit property . make sure you don't have a form element with the name submit and you should be able to access the submit function just fine .

Answer

In fact, the solution is very easy...

Original:

    <form action="product.php" method="get" name="frmProduct" id="frmProduct"
enctype="multipart/form-data">
    <input onclick="submitAction()" id="submit_value" type="button" 
    name="submit_value" value="">
</form>
<script type="text/javascript">
    function submitAction()
    {
        document.frmProduct.submit();
    }
</script>

Solution:

    <form action="product.php" method="get" name="frmProduct" id="frmProduct" 
enctype="multipart/form-data">
</form>

<!-- Place the button here -->
<input onclick="submitAction()" id="submit_value" type="button" 
    name="submit_value" value="">

<script type="text/javascript">
    function submitAction()
    {
        document.frmProduct.submit();
    }
</script>
Answer

You should use this code :

$(document).on("ready", function () {
       
        document.frmProduct.submit();
    });

Answer

What I used is

var enviar = document.getElementById("enviar");
enviar.type = "submit"; 

Just because everything else didn´t work.

Answer

Solution for me was to set the "form" attribute of button

<form id="form_id_name"><button name="btnSubmit" form="form_id_name" /></form>

or is js:

YOURFORMOBJ.getElementsByTagName("button")[0].setAttribute("form", "form_id_name");
YOURFORMOBJ.submit();
Answer

Possible solutions -
1.Make sure that you don't have any other element with name/id as submit.
2.Try to call the function as onClick = "return submitAction();"
3.document.getElementById("form-name").submit();

Answer

You can try

<form action="product.php" method="get" name="frmProduct" id="frmProduct" enctype="multipart/form-data">

<input onclick="submitAction(this)" id="submit_value" type="button" name="submit_value" value="">

</form>

<script type="text/javascript">
function submitAction(element)
{
    element.form.submit();
}
</script>

Don't you have more than one form with the same name ?

Answer

Use getElementById:

document.getElementById ('frmProduct').submit ()

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