28 lines
659 B
HTML
28 lines
659 B
HTML
<style>
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body {
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writing-mode: vertical-rl;
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block-size: 0;
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}
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div {
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column-span: all;
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}
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:nth-child(2) {
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float: left;
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}
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:read-only {
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overflow-y: -webkit-paged-y;
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}
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</style>
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<script>
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if (window.testRunner)
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testRunner.dumpAsText();
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onload = () => {
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document.documentElement.appendChild(document.createElement('span'));
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document.documentElement.appendChild(document.createElement('div'));
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document.body.appendChild(document.createElement('div'));
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document.execCommand('SelectAll');
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document.designMode = 'on';
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document.execCommand('InsertHorizontalRule');
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};
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</script>
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PASS if no crash or assert. |