ReactJS+ IE+ 功能预期

问题描述

Reactjs 应用程序不适用于 IE11

请在下面找到我的 package.json 和 index.js 文件，

index.js 文件：

import 'react-app-polyfill/ie9';
import 'react-app-polyfill/ie11';
import 'react-app-polyfill/stable';
import 'core-js/stable';
import "regenerator-runtime/runtime";
import 'intersection-observer';
//import 'isomorphic-fetch';
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';

package.json 文件：

"dependencies": {
    "@material-ui/core": "^4.11.2","@material-ui/icons": "^4.11.2","@react-pdf/renderer": "^1.6.12","@testing-library/jest-dom": "^4.2.4","@testing-library/react": "^9.5.0","@testing-library/user-event": "^7.2.1","core-js": "^3.9.0","fontsource-roboto": "^2.1.4","intersection-observer": "^0.12.0","isomorphic-fetch": "^3.0.0","react": "^16.13.1","react-app-polyfill": "^2.0.0","react-bootstrap": "^1.2.2","react-dom": "^16.13.1","react-redux": "^7.2.0","react-scripts": "^3.4.3","react-virtualized": "^9.22.3","redux": "^4.0.5","redux-devtools-extension": "^2.13.8","redux-thunk": "^2.3.0","regenerator-runtime": "^0.13.7","reselect": "^4.0.0","uuid": "^8.3.2"
  },"browserslist": {
    "production": [
      ">0.2%","not dead","not op_mini all","ie >=9"
    ],"development": [
      "last 1 chrome version","last 1 firefox version","last 1 safari version","ie 11"
    ]
  },

它给出了以下错误，

当检查调试器时，它显示如下，

请帮我解决这个问题，

我将不胜感激。

解决方法

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