What are some popular polyfills for modern JavaScript?
Some popular polyfills include Babel, core-js, and polyfill.io. They help ensure compatibility with older browsers.
Can you explain what Babel does?
Babel is a JavaScript compiler that converts modern JavaScript code into a version compatible with older browsers.
What about core-js?
Core-js is a modular standard library that provides polyfills for ECMAScript features, making them available in older environments.
How do I use polyfill.io?
You can use polyfill.io by including a script tag in your HTML that dynamically loads the necessary polyfills based on the user's browser.
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