But JSX should come as part of the React installation, so I tried re-running the webpacker react generator: $ bin/rails webpacker:install:react From the logs, I could see this added babel (amongst other things) to the package.json . disable eslint specific rule. Support for the experimental syntax 'jsx' isn't currently enabled Support for the experimental syntax 'jsx' isn't currently enabled ... 当前未启用对实验性语法"jsx"的支持 - Support for the experimental syntax 'jsx' isn't ... SyntaxError: CellComponent.test.js: Support for the experimental syntax 'jsx' isn't currently enabled (7:34): and then this recommendation at the end: Add @babel/preset-react (https://git.io/JfeDR) to the 'presets' section of your Babel config to enable transformation. It looks like my babel.config.js file is being ignored! I am trying to use webpack to create bundle.js file for my react-app but getting error:-Support for the experimental syntax 'classProperties' isn't currently enabled. on May 14, 2021 May 14, 2021 by ittone Leave a Comment on reactjs - Syntax Error: Support for the experimental syntax 'jsx' isn't currently enabled in react js i am trying run my react application using npm start commamnd and installed both @babel/preset-react and @babel/plugin-syntax-jsx. eslint stop compliant import from node_modules. How to resolve 'Support for the experimental syntax 'jsx' isn't ... Yet overall, the RC version of React 18 feels stable enough to be used in PROD. JavaScript : Support for the experimental syntax 'jsx' isn't currently enabled [ Gift : Animated Search Engine : https://bit.ly/AnimSearch ] JavaScript : Su. How do I fix support for the experimental syntax ... - CodeProject