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javascript - Console.log() has a value but when I used it with map function it became undefined [ReactJS] - Stack Overflow
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How to test console output (console.log, console.warn) with RTL (React-Testing-Library) and Jest | by Ilya Zykin | Medium
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Duplicated render of componentDidMount and the render method · Issue #3472 · wix/react-native-navigation · GitHub
![How I Fixed: React Native - Warning: Functions are not valid as a React child. This may happen if you return a Component instead of from render. Or maybe you meant to How I Fixed: React Native - Warning: Functions are not valid as a React child. This may happen if you return a Component instead of from render. Or maybe you meant to](https://codereviewvideos.com/blog/wp-content/uploads/2019/06/react-native-functions-are-not-valid-as-a-react-child-vscode.png)