`<html>
<body>
</body>
<script>
class Element{ constructor(tagName, props, children) { this.tagName = tagName this.props = props this.children = children } render () { const {tagName, props, children=[]} = this const el = document.createElement(tagName) for(const att in props) { el.setAttribute(att,props[att]) } children.forEach(function(child){ const childEl = child instanceof Element ? child.render() : document.createTextNode(child) el.appendChild(childEl) }) return el }}function el (tagName, props, children) { return new Element(tagName, props, children)}const ul = el('ul',{class: 'list'},[ el('li',{class: 'item'},['1','-']), el('li',{class: 'item'},['2',2,false]), el('li',{class: 'item'},['3']), ])document.querySelector('body').appendChild(ul.render())</script>
</html>`
关上编辑器默写虚构DOM，如果运行谬误就重写，你是在第几次实现的呢？