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47 lines
1.8 KiB
HTML
47 lines
1.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Selection.modify(): line navigation on a grid container</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
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<link rel="author" title="Mozilla" href="https://mozilla.org">
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<div id="container" style="display: grid; font-family: monospace">
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<p id="one">One</p>
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<p id="two">Two</p>
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<p id="three">Three</p>
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<p id="four">Four</p>
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</div>
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<script>
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const selection = getSelection();
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test(() => {
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// Put the caret in the second character in "One"
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selection.collapse(one.childNodes[0], 2);
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// Move forward a line, selection should be after "Tw".
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selection.modify("extend", "forward", "line")
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assert_equals(selection.focusNode, two.childNodes[0]);
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assert_equals(selection.focusOffset, 2);
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// Move forward another line, selection should be after "Th".
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selection.modify("extend", "forward", "line")
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assert_equals(selection.focusNode, three.childNodes[0]);
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assert_equals(selection.focusOffset, 2);
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assert_equals(selection.toString().replaceAll("\r\n", "\n"), "e\n\nTwo\n\nTh");
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}, "forward");
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test(() => {
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// Put the caret in the second character in "Three"
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selection.collapse(three.childNodes[0], 2);
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// Move backward a line, selection should be after "Tw".
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selection.modify("extend", "backward", "line")
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assert_equals(selection.focusNode, two.childNodes[0]);
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assert_equals(selection.focusOffset, 2);
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// Move backward another line, selection should be after "On".
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selection.modify("extend", "backward", "line")
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assert_equals(selection.focusNode, one.childNodes[0]);
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assert_equals(selection.focusOffset, 2);
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assert_equals(selection.toString().replaceAll("\r\n", "\n"), "e\n\nTwo\n\nTh");
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}, "backward");
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</script>
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