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<!DOCTYPE html>
<meta charset="UTF-8">
<title>"load" event fires on the iframe element when loading the initial empty document</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>
<body></body>
<script>
"use strict";
promise_test(async t => {
const iframe = document.createElement("iframe");
let loadCount = 0;
iframe.addEventListener("load", () => {
loadCount++;
});
document.body.appendChild(iframe);
assert_equals(loadCount, 1);
}, "load event fires synchronously on <iframe> element created with no src");
promise_test(async t => {
const iframe = document.createElement("iframe");
iframe.src = "";
let loadCount = 0;
iframe.addEventListener("load", () => {
loadCount++;
});
document.body.appendChild(iframe);
assert_equals(loadCount, 1);
}, "load event fires synchronously on <iframe> element created with src=''");
promise_test(async t => {
const iframe = document.createElement("iframe");
iframe.src = "about:blank";
let loadCount = 0;
iframe.addEventListener("load", () => {
loadCount++;
});
document.body.appendChild(iframe);
assert_equals(loadCount, 1);
}, "load event fires synchronously on <iframe> element created with src='about:blank'");
promise_test(async t => {
const iframe = document.createElement("iframe");
iframe.src = "about:blank#foo";
let loadCount = 0;
iframe.addEventListener("load", () => {
loadCount++;
});
document.body.appendChild(iframe);
assert_equals(loadCount, 1);
}, "load event fires synchronously on <iframe> element created with src='about:blank#foo'");
promise_test(async t => {
const iframe = document.createElement("iframe");
iframe.src = "about:blank?foo";
let loadCount = 0;
iframe.addEventListener("load", () => {
loadCount++;
});
document.body.appendChild(iframe);
assert_equals(loadCount, 1);
}, "load event fires synchronously on <iframe> element created with src='about:blank?foo'");
</script>
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