Node, Java Script, React & React native

Interview questions:
https://www.onlineinterviewquestions.com/react-js-interview-questions/
https://www.edureka.co/blog/interview-questions/react-interview-questions/
http://www.punch.cool/community/questions-answers/engineering/react-native/
https://www.fullstack.cafe/JavaScript   *****
https://medium.freecodecamp.org/5-top-sites-for-javascript-interview-preparation-71b48e9a6c8a

https://flaviocopes.com/

JavaScript handbook:
https://medium.freecodecamp.org/the-definitive-javascript-handbook-for-a-developer-interview-44ffc6aeb54e

Node js API:
https://medium.freecodecamp.org/building-a-simple-node-js-api-in-under-30-minutes-a07ea9e390d2

Expo/XDE:
https://github.com/expo/xde#converting-an-existing-project-to-work-with-expo

Animated navigation bar in react native:
https://medium.com/companydev/animated-header-titles-in-react-native-5be9db00bee2
https://medium.com/appandflow/react-native-scrollview-animated-header-10a18cb9469e
https://medium.com/appandflow/react-native-collapsible-navbar-e51a049b560a

React native Animation book:
http://browniefed.com/react-native-animation-book/

Chrome extension:
https://medium.com/@jonnyk20/anatomy-of-a-chrome-extension-54b9dd019825
https://developer.chrome.com/extensions

Chrome extension app with React:
https://engineering.musefind.com/how-to-build-a-chrome-extension-with-react-js-e2bae31747fc

Redux api & docs:
https://redux.js.org/docs/api/

Stateless component:
https://jaketrent.com/post/react-stateless-components-missing/

Express js:
http://www.tutorialsteacher.com/nodejs/expressjs

https://expressjs.com/

https://expressjs.com/en/4x/api.html

Auth0 for mobile:
https://auth0.com/docs/quickstart/native

Google Tag Manager & Google Analytics:
https://www.webascender.com/blog/google-tag-manager-setting-google-analytics-custom-tracking-gtm/
https://www.analyticsmania.com/post/google-tag-manager-vs-google-analytics/
https://developers.google.com/analytics/devguides/collection/protocol/v1/email