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[Solved] Failed to construct ‘FormData’

Hello Guys, How are you all? Hope You all Are Fine. Today I get the following error Failed to construct ‘FormData’ in javascript. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How To Solve Failed to construct ‘FormData’ Error ?

  1. How To Solve Failed to construct 'FormData' Error?

    To Solve Failed to construct 'FormData' Error Here You're passing a string to FormData. As the error says, it expects a form element, not a string. So you should write like this var form_data = new FormData(document.getElementById(“my-awesome-dropzone”));

  2. Failed to construct 'FormData'

    To Solve Failed to construct 'FormData' Error Here You're passing a string to FormData. As the error says, it expects a form element, not a string. So you should write like this var form_data = new FormData(document.getElementById(“my-awesome-dropzone”));

Solution 1

You’re passing a string to FormData. As the error says, it expects a form element, not a string. So:

var form_data = new FormData(document.getElementById("my-awesome-dropzone"));

Here is an example.

var data = new FormData(document.getElementById("my-awesome-dropzone"));
console.log("Created FormData, " + [...data.keys()].length + " keys in data");
<form  enctype="multipart/form-data" action="/settings/uploadFile"  method="post" class="dropzone" id="my-awesome-dropzone">
<input type="text" name="x" value="kittens">
<input type="text" name="y" value="puppies">
</form>

Summery

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you? Thank You.

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