GlobalEventHandlers.onsubmit
The onsubmit
property of the
GlobalEventHandlers
mixin is an event handler that
processes submit
events.
The submit
event fires when the user submits a form.
Syntax
target.onsubmit = functionRef;
Value
functionRef
is a function name or a function
expression. The function receives a SubmitEvent
object as its sole
argument.
Example
This example demonstrates oninvalid
and
onsubmit
event handlers on a form.
HTML
<form id="form">
<p id="error" hidden>Please fill out all fields.</p>
<label for="city">City</label>
<input type="text" id="city" required>
<button type="submit">Submit</button>
</form>
<p id="thanks" hidden>Your data has been received. Thanks!</p>
JavaScript
const form = document.getElementById('form');
const error = document.getElementById('error');
const city = document.getElementById('city');
const thanks = document.getElementById('thanks');
city.oninvalid = invalid;
form.onsubmit = submit;
function invalid(event) {
error.removeAttribute('hidden');
}
function submit(event) {
form.setAttribute('hidden', '');
thanks.removeAttribute('hidden');
// For this example, don't actually submit the form
event.preventDefault();
}
Result
Specifications
Specification |
---|
HTML Standard # handler-onsubmit |
Browser compatibility
BCD tables only load in the browser
See also
submit
event