navigate-form-get-sourceElement.html

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This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigate-event/navigate-form-get-sourceElement.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>Test that sourceElement is set correctly for forms with method=GET</title>

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2042943">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<form id="form">

  <input id="submitter" type="submit">

</form>

<script>

"use strict";

promise_setup(() => new Promise(r => onload = r));

promise_test(async () => {

  let {promise: waitForSuccess, resolve} = Promise.withResolvers();

  navigation.onnavigatesuccess = resolve;

  let sourceElement;

  navigation.onnavigate = e => {

    e.intercept();

    sourceElement = e.sourceElement;

};

  form.requestSubmit(submitter);

  await waitForSuccess;

  assert_equals(sourceElement, submitter, "NavigateEvent.sourceElement should be set to the submitter passed into requestSubmit.");

}, "<form> submission with GET method and submitter passed into requestSubmit");

promise_test(async () => {

  let {promise: waitForSuccess, resolve} = Promise.withResolvers();

  navigation.onnavigatesuccess = resolve;

  let sourceElement;

  navigation.onnavigate = e => {

    e.intercept();

    sourceElement = e.sourceElement;

};

  submitter.click();

  await waitForSuccess;

  assert_equals(sourceElement, submitter, "NavigateEvent.sourceElement should be set to the submitter that was clicked.");

}, "<form> submission with GET method and submitter is clicked");

</script>