function createElement(type, props, ...children) { return { type, props: { ...props, children: children.map(child => typeof child === "object" ? child : createTextElement(child) ), }, }}​function createTextElement(text) { return { type: "TEXT_ELEMENT", props: { nodeValue: text, children: [], }, }}​function createDom(fiber) { const dom = fiber.type == "TEXT_ELEMENT" ? document.createTextNode("") : document.creat...