19 lines
899 B
HTML
19 lines
899 B
HTML
<!doctype html>
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<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-devicepixelratio">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1602347">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<title>window.devicePixelRatio in an undisplayed iframe matches the dpi of the parent document</title>
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<div style="display: none">
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<iframe src="about:blank"></iframe>
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</div>
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<script>
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onload = function() {
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test(function() {
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let win = document.querySelector("iframe").contentWindow;
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assert_equals(win.devicePixelRatio, window.devicePixelRatio, "window.devicePixelRatio in an undisplayed iframe matches the dpi of the parent document");
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});
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};
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</script>
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