Finding and installing polyfills can often be a tedious task. Not too long ago, I was searching for a good list of polyfills to reference while working on browser compatibility issues. I ended up coming across Polyfill.io, a service that has since proven very useful. Polyfill.io makes polyfilling support for newer JS features in older browsers super easy. It works via User-Agent sniffing to determine the browser being used, then loads the required polyfills. Here’s how you use it
Using polyfill.io
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