Function appendInitialChild

packages/react-dom/src/hostConfig.ts:18–23

(
	parent: Instance | Container,
	child: Instance
)

};

export const appendInitialChild = (
	parent: Instance | Container,
	child: Instance
) => {
	parent.appendChild(child);
};

export const createTextInstance = (content: string) => {
	return document.createTextNode(content);