55 lines
1.4 KiB
HTML
55 lines
1.4 KiB
HTML
<!DOCTYPE html>
|
|
<meta charset="utf-8">
|
|
<title>Window extends EventTarget</title>
|
|
<link rel="help" href="https://github.com/jsdom/jsdom/issues/2830">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
|
|
<body>
|
|
<script>
|
|
"use strict";
|
|
|
|
test(() => {
|
|
|
|
assert_equals(window.addEventListener, EventTarget.prototype.addEventListener);
|
|
assert_equals(window.removeEventListener, EventTarget.prototype.removeEventListener);
|
|
assert_equals(window.dispatchEvent, EventTarget.prototype.dispatchEvent);
|
|
|
|
}, "EventTarget methods on Window instances are inherited from the EventTarget prototype");
|
|
|
|
test(() => {
|
|
|
|
const kCustom = "custom-event";
|
|
const customEvent = new CustomEvent(kCustom, {
|
|
bubbles: true
|
|
});
|
|
|
|
let target;
|
|
window.addEventListener.call(document.body, kCustom, function () {
|
|
target = this;
|
|
});
|
|
|
|
document.body.dispatchEvent(customEvent);
|
|
|
|
assert_equals(target, document.body);
|
|
|
|
}, "window.addEventListener respects custom `this`");
|
|
|
|
test(() => {
|
|
|
|
const kCustom = "custom-event";
|
|
const customEvent = new CustomEvent(kCustom, {
|
|
bubbles: true
|
|
});
|
|
|
|
let target;
|
|
window.addEventListener.call(null, kCustom, function () {
|
|
target = this;
|
|
});
|
|
|
|
document.body.dispatchEvent(customEvent);
|
|
|
|
assert_equals(target, window);
|
|
|
|
}, "window.addEventListener treats nullish `this` as `window`");
|
|
</script>
|