antd-mobile/2x/es/utils/render-to-body.js

<img src="https://gw.alipayobjects.com/mdn/rms_ee68a8/afts/img/A*hjjDS5Yy-ooAAAAAAAAAAAAAARQnAQ" alt="logo" width="100%" />

import ReactDOM from 'react-dom';
export function renderToBody(element) {
  const container = document.createElement('div');
  document.body.appendChild(container);

  function unmount() {
    const unmountResult = ReactDOM.unmountComponentAtNode(container);

    if (unmountResult && container.parentNode) {
      container.parentNode.removeChild(container);
    }
  }

  ReactDOM.render(element, container);
  return unmount;
}