Custom Polyfills vs Polyfill.io

Developers should create or use custom polyfills when building web applications that must run on older browsers (e meets developers should use polyfill. Here's our take.

Custom Polyfills

Nice Pick

Developers should create or use custom polyfills when building web applications that must run on older browsers (e

Pros

• g
• Related to: javascript, es6

Cons

• Specific tradeoffs depend on your use case

Polyfill.io

Developers should use Polyfill

Pros

• io when building web applications that need to support older browsers (e
• Related to: javascript, web-development

Cons

• Specific tradeoffs depend on your use case

The Verdict

These tools serve different purposes. Custom Polyfills is a concept while Polyfill.io is a tool. We picked Custom Polyfills based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Custom Polyfills wins

Based on overall popularity. Custom Polyfills is more widely used, but Polyfill.io excels in its own space.