50 lines
1.7 KiB
HTML
50 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>fullscreen-env-initial</title>
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<style>
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#dummy {
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position: absolute;
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top: 0;
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left: 0;
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width: 0;
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height: 0;
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--fullscreen-inset-top: env(fullscreen-inset-top);
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--fullscreen-inset-right: env(fullscreen-inset-right);
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--fullscreen-inset-bottom: env(fullscreen-inset-bottom);
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--fullscreen-inset-left: env(fullscreen-inset-left);
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--fullscreen-auto-hide-duration: env(fullscreen-auto-hide-duration);
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}
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@supports (padding: env(fullscreen-inset-top)) {
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#should-be-green {
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background-color: green;
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}
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}
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</style>
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<script>
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const ENVS = ["fullscreen-inset-top", "fullscreen-inset-right", "fullscreen-inset-bottom", "fullscreen-inset-left", "fullscreen-auto-hide-duration"];
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function runTest() {
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const results = document.getElementById("results");
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const dummyStyle = window.getComputedStyle(document.getElementById("dummy"));
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const checkForValue = (accumulator, value) => {
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if (!accumulator)
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return false;
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return dummyStyle.getPropertyValue(`--${value}`) != "";
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};
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if (ENVS.reduce(checkForValue))
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results.textContent = `${ENVS.join(" ")} all had initial values.`;
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else
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results.textContent = `Some/all of ${ENVS.join(" ")} had missing initial values.`;
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}
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window.addEventListener("load", runTest, false);
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</script>
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</head>
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<body>
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<span id="dummy"></span>
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<p id="should-be-green">This paragraph should have a green background.</p>
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<p id="results"></p>
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</body>
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</html>
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