document-fullscreen-element.html

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This WPT test may be referenced by the following Test IDs:
- /fullscreen/api/document-fullscreen-element.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Document#fullscreenElement</title>

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<script src="../trusted-click.js"></script>

<div id="log"></div>

<script>

    promise_test(async function (t) {

        const div = document.querySelector("div");

        await trusted_click();

        assert_equals(

            document.fullscreenElement,

            null,

            "fullscreenElement before requestFullscreen()"

);

        const fsPromise = div.requestFullscreen();

        assert_equals(

            document.fullscreenElement,

            null,

            "fullscreenElement after requestFullscreen()"

);

        await fsPromise;

        assert_equals(

            document.fullscreenElement,

            div,

            "fullscreenElement before exitFullscreen()"

);

        const exitPromise = document.exitFullscreen();

        assert_equals(

            document.fullscreenElement,

            div,

            "fullscreenElement after exitFullscreen()"

);

        await Promise.all([fullScreenChange(), exitPromise]);

        assert_equals(

            document.fullscreenElement,

            null,

            "fullscreenElement after exiting fullscreen"

);

});

</script>