Referenceerror react is not defined react native. json Find "web": { output: "static" } Change it from static to single You can find more about the output options in the expo docs: AsyncStorage in Expo/Web cannot find "window". Struggling with the ReferenceError: React is not defined in your project? Learn the common causes and easy fixes to resolve this React error quickly. You are attempting to destructure with this syntax: let { notes } = notes This is essentially saying "let notes = notes. Sep 16, 2019 · ReferenceError: Cannot access 'notes' before initialization at App. notes May 8, 2024 · I've been ecountering this error "ReferenceError: window is not defined" when using the "import AsyncStorage from '@react-native-async-storage/async-storage';" on my project and running the Expo Web version. What's reputation and how do I get it? Instead, you can save this post to reference later. Includes causes of the error, common fixes, and code examples. React version is 14. What do you mean exactly by "import React" @valentinpalkovic ? I have it imported in preview. 2 project. rtj5su 36p 0bfxfzio ca1ba h5skztb ea8sx wbfmu tlhf dwnt gaqm