| 123456789101112131415161718192021222324252627282930313233343536373839 | export function createTextNode(text) {    return document.createTextNode(text);}export function createComment(text) {    return document.createComment(text);}export function insertBefore(parentNode, newNode, referenceNode) {    parentNode.insertBefore(newNode, referenceNode);}export function removeChild(node, child) {    node.removeChild(child);}export function appendChild(node, child) {    node.appendChild(child);}export function parentNode(node) {    return node.parentNode;}export function nextSibling(node) {    return node.nextSibling;}export function tagName(elm) {    return elm.tagName;}export function setTextContent(node, text) {    node.textContent = text;}export function getTextContent(node) {    return node.textContent;}export function isElement(node) {    return node.nodeType === 1;}export function isText(node) {    return node.nodeType === 3;}export function isComment(node) {    return node.nodeType === 8;}
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