What is the difference between polyfills and transpilers?

What is the difference between polyfills and transpilers?

Polyfills are scripts that provide modern functionality on older browsers, while transpilers convert code from one version to another.

Can you give me an example of a polyfill?

Sure! A common polyfill is the 'Promise' object, which allows asynchronous programming in browsers that don't support it natively.

What about transpilers? How do they work?

Transpilers like Babel take modern JavaScript (ES6+) and convert it into a version compatible with older browsers, ensuring wider support.

When should I use a polyfill instead of a transpiler?

Use a polyfill when you need to add specific features to older browsers, and a transpiler when you want to write modern code that needs to run in those environments.