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This method puts the given node and all of its sub-tree into a normalized form. A normalized sub-tree has no empty text nodes and no adjacent text nodes.
29 lines
1.6 KiB
HTML
29 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<script src="../include.js"></script>
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<script>
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test(() => {
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const documentFragment = document.createDocumentFragment();
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const textNode1 = document.createTextNode("1");
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const textNode2 = document.createTextNode("2");
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const textNode3 = document.createTextNode("3");
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const textNode4 = document.createTextNode("4");
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const emptyTextNode = document.createTextNode("");
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documentFragment.appendChild(textNode1);
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documentFragment.appendChild(emptyTextNode);
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documentFragment.appendChild(textNode2);
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println(`Document fragment initial text: ${documentFragment.textContent}, child nodes: ${documentFragment.childNodes.length}`);
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let element = document.createElement('div');
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documentFragment.appendChild(element);
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element.appendChild(textNode3);
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element.appendChild(textNode4);
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println(`Element initial text: ${element.textContent}, child nodes: ${element.childNodes.length}`);
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document.normalize();
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println(`Element text after document.normalize(): ${element.textContent}, child nodes: ${element.childNodes.length}`);
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documentFragment.normalize();
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println(`Document fragment text after documentFragment.normalize(): ${documentFragment.textContent}, child nodes: ${documentFragment.childNodes.length}`);
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println(`Text node 1 data: ${textNode1.data}`);
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println(`Text node 2 data: ${textNode2.data}`);
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println(`Text node 3 data: ${textNode3.data}`);
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println(`Text node 4 data: ${textNode4.data}`);
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});
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</script>
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