17 lines
508 B
HTML
17 lines
508 B
HTML
<!doctype HTML>
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<html>
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<meta charset="utf8">
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<title>Display Locking: iframe locking (reference)</title>
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<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
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<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
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<style>
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div {
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background: blue;
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color: white;
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}
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</style>
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<div>Test passes if there is a box with no text below.</div>
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<iframe id="frame" width=400 height=200 srcdoc=''></iframe>
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<div>Test passes if there is a box with no text above.</div>
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