I'm having issues with polyfills in my React app. How can I troubleshoot them?
First, can you specify which polyfills you're using and what issues you're encountering?
I'm using core-js for ES6 features, but some features aren't working in older browsers.
Make sure you've imported the polyfills correctly at the top of your entry file. Have you checked that?
Yes, I did that. I also tried adding specific imports for the features I need.
Great! Another thing to check is if your Babel configuration is set up to target the browsers you want to support. Have you done that?
I haven't checked that yet. How do I configure Babel for that?
You can specify the target browsers in your Babel configuration file using the 'browserslist' key. Would you like more details on that?
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