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; }