2.4、react-dom.js

import { TAG_ROOT } from './constants';
import { scheduleRoot } from './scheduler';
function render(element, container) {
    let rootFiber = {
        tag: TAG_ROOT,//这是根Fiber
        stateNode: container,//此Fiber对应的DOM节点
        props: { children: [element] },//子元素就是要渲染的element
    }
    scheduleRoot(rootFiber);
}
export default {
    render
}