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24 lines
944 B
HTML
24 lines
944 B
HTML
<!DOCTYPE html>
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<style>
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@media not all {
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div { color: red; }
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}
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@supports not (unsupported-property: unsupported-value) {
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div { display: none; }
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}
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</style>
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<div>This text shouldn't be visible</div>
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<script src="../include.js"></script>
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<script>
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test(() => {
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const mediaRule = document.styleSheets[0].cssRules[0];
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println(`@media rule conditionText initial value: ${mediaRule.conditionText}`);
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mediaRule.conditionText = "all";
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println(`@media rule conditionText value after assignment: ${mediaRule.conditionText}`);
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const supportsRule = document.styleSheets[0].cssRules[1];
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println(`@supports rule conditionText initial value: ${supportsRule.conditionText}`);
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supportsRule.conditionText = "(unsupported-property: unsupported-value)";
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println(`@supports rule conditionText value after assignment: ${supportsRule.conditionText}`);
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});
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</script>
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