49 lines
2.2 KiB
HTML
49 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Custom highlight pseudo elements across elements.</title>
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<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/#painting">
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<link rel="match" href="highlight-text-across-elements-ref.html">
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<meta name="assert" content="Highlights should be able to be specified across elements.">
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<style>
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::highlight(example-highlight1) {
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background-color: yellow;
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color:green;
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}
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::highlight(example-highlight2) {
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background-color: blue;
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color:red;
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}
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::highlight(example-highlight3) {
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background-color: purple;
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color:pink;
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}
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</style>
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</head>
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<body>
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<span id="text1">One two three</span>
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<span id="text2">four five six</span>
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<span id="text3">seven eight nine</span>
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<span id="text4">ten eleven twelve</span>
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<span id="text5">thirteen fourteen fifteen</span>
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<script>
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let textElement1 = document.getElementById('text1');
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let textElement2 = document.getElementById('text2');
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let textElement3 = document.getElementById('text3');
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let textElement4 = document.getElementById('text4');
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let textElement5 = document.getElementById('text5');
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let highlight1 = new Highlight(new StaticRange({startContainer: textElement1.childNodes[0], startOffset: 4, endContainer: textElement1.childNodes[0], endOffset: 7}));
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let highlight2 = new Highlight(new StaticRange({startContainer: textElement1.childNodes[0], startOffset: 10, endContainer: textElement2.childNodes[0], endOffset: 4}));
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highlight2.add(new StaticRange({startContainer: textElement2.childNodes[0], startOffset: 10, endContainer: textElement3.childNodes[0], endOffset: 5}));
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let highlight3 = new Highlight(new StaticRange({startContainer: textElement3.childNodes[0], startOffset: 10, endContainer: textElement5.childNodes[0], endOffset: 12}));
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CSS.highlights.set("example-highlight1", highlight1);
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CSS.highlights.set("example-highlight2", highlight2);
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CSS.highlights.set("example-highlight3", highlight3);
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</script>
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</body>
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</html>
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