解决createRoot is not a function-Toy模板网

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报错：解决createRoot is not a function,报错整理及解决方案,javascript,开发语言,ecmascript

出现的原因：在于把react18使用的vite构建，在开发中因react版本太高与其他库不兼容，而在降级的时候，出现以上dom渲染出现报错。

解决：将 src/index.j文件改成如下

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';

ReactDOM.render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
  document.getElementById('root')
)
// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();

注意在降级修改package.json时候需要注意react、react-dom的版本一致；然后重新 npm install 即可。以下给出package.json文件：

{
  "name": "hello-react",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@testing-library/jest-dom": "^5.17.0",
    "@testing-library/react": "^13.4.0",
    "@testing-library/user-event": "^13.5.0",
    "react": "^16.14.0",
    "react-dom": "^16.14.0",
    "react-scripts": "5.0.1",
    "web-vitals": "^2.1.4"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}

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