15 lines
226 B
HTML
15 lines
226 B
HTML
<!DOCTYPE html>
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<style>
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.test::after {
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content:"::after content";
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}
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</style>
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<button>
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Button contents
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</button>
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<script>
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var td = document.querySelector("button");
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td.offsetWidth;
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td.className = "test";
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</script>
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