How can I debug polyfills in my JavaScript code?

How can I debug polyfills in my JavaScript code?

Debugging polyfills can be tricky. First, ensure that the polyfill is loaded correctly in your environment.

What tools can I use to check if the polyfill is working?

You can use browser developer tools, like the console and network tab, to check if the polyfill is loaded and functioning.

Are there common issues I should look out for?

Yes, common issues include version mismatches, loading order, and conflicts with existing code.

How can I test if a specific feature is polyfilled?

You can check for the feature's existence in the global object or use feature detection libraries like Modernizr.