FormData.delete()

The delete() method of the FormData interface deletes a key and its value(s) from a FormData object.

name

The name of the key you want to delete.

undefined.

The following line creates an empty FormData object and prepopulates it with key/value pairs from a form:

var formData = new FormData(myForm);

You can delete keys and their values using delete():

formData.delete('username');

• XMLHTTPRequest
• Using XMLHttpRequest
• Using FormData objects
• <form>