Submit button
A submit button is an element in HTML that can be used to submit a <form>
. The native submit button elements are:
<button>
(its defaulttype
is"submit"
)<input type="submit">
<input type="image">
In addition to submitting a form, a submit button can affect the form's behavior and what data is sent.
Overriding the form's behavior
Submit buttons can override the form's submission behavior through various attributes:
formaction
: Override theaction
attribute of the form.formenctype
: Override theenctype
attribute of the form.formmethod
: Override themethod
attribute of the form.formnovalidate
: Override thenovalidate
attribute of the form.formtarget
: Override thetarget
attribute of the form.
Form data entries
If the submit button is a <button>
or <input type="submit">
and has a name
attribute, the form data set will include an entry for its name
and value
.
If the submit button is an <input type="image">
, the form data set will include entries for the X and Y coordinates that the user clicked on (e.g. x=100&y=200
or buttonName.x=123&buttonName.y=234
).