@ -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:
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:
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.
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.
Dan Abramov
8 years ago