@ -15,11 +15,11 @@ By default, React includes many helpful warnings. These warnings are very useful
If you aren't sure whether your build process is set up correctly, you can check it by installing [React Developer Tools for Chrome](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi). If you visit a site with React in production mode, the icon will have a dark background:
<imgsrc="/react/img/docs/devtools-prod.png"width="600"alt="React DevTools on a website with production version of React">
<imgsrc="/react/img/docs/devtools-prod.png"style="max-width:100%"alt="React DevTools on a website with production version of React">
If you visit a site with React in development mode, the icon will have a red background:
<imgsrc="/react/img/docs/devtools-dev.png"width="600"alt="React DevTools on a website with development version of React">
<imgsrc="/react/img/docs/devtools-dev.png"style="max-width:100%"alt="React DevTools on a website with development version of React">
It is expected that you use the development mode when working on your app, and the production mode when deploying your app to the users.