Shimming methods with Babel Polyfill

In the previous two recipes, we saw how to create a client bundle and load it into a browser. This make it possible to use ES modules in source code without breaking compatibility with older browsers.

However, there are also new methods available in newer versions of the language that we'll be using in later chapters.

This recipe demonstrates how to use the babel-polyfill library to support those methods.

Getting ready

This recipe assumes that you have the code created in earlier recipes in this chapter, and that you have installed Python and know how to start the static HTTP server. Please visit the earlier recipes or copy the code.

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