title: Why React app is not working in Internet Explorer browser
body: <p>React App is not Working in internet explorer at all, i have used multiple solution for this issue but not got any solution.</p>
  
  <ol>
  <li>npm i react-app-polyfill --save</li>
  <li><p>add below files in index.js</p>
  
  <p>import 'react-app-polyfill/ie9';
      import 'react-app-polyfill/ie11';
      import 'react-app-polyfill/stable';</p></li>
  <li><p>In package.json and add "ie 11" into "browserslist->development" section:</p></li>
  </ol>
  
  <p>*</p>
  
  <pre><code>"browserslist": {
  "production": [
  "&gt;0.2%",
  "not dead",
  "not op_mini all"
  ],
  "development": [
  "ie 11",
  "last 1 chrome version",
  "last 1 firefox version",
  "last 1 safari version"
  ]
  }
  </code></pre>
  
  <ol start="4">
  <li>delete .cache in node_modules <br></li>
  <li>npm start</li>
  </ol>
  
  <p>Thanks in Advance</p>