🆚 Core-js vs. Regenerator
- 📈 Regenerator is noticeably more popular than Core-js.
- 🌍 Regenerator is more popular in Japan, Italy, and Germany.
- 🌎 Core-js is more popular in the United States, the United Kingdom, and Canada.
Statistics based on 3.8M+ analyzed websites. About this data
Core-js
RegeneratorType
JavaScript library
JavaScript library
About
Core-js is a modular standard library for 
JavaScript that provides polyfills for ECMAScript up to 2024: promises, symbols, collections, iterators, typed arrays, and proposals.
Regenerator is a JavaScript library from 
Facebook that allows the use of ES6 generators in older browsers.
Headquarters
Menlo Park, California, United States
Pricing
Free ✔️ Open source
Free ✔️ Open source
Categories
JavaScript Libraries › Rank #45
JavaScript Libraries › Rank #42
Popularity
Determined by the number of sites using each technology.
The Regenerator JavaScript library is 1.3 times more popular than Core-js.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Regenerator is more popular in Japan, Italy, and Germany, while Core-js is more popular in the United States, the United Kingdom, and Canada.
United States
Japan
United Kingdom
Italy
Germany
France
Spain
Brazil
Australia
Canada
Awards
- ⬆️ 30th most popular in Israel in the JavaScript Libraries category.
- ⬆️ 36th most popular in the Philippines in the JavaScript Libraries category.
- ⬆️ 37th most popular in Hong Kong in the JavaScript Libraries category.
- ⬆️ 38th most popular in Brazil in the JavaScript Libraries category.
- ⬆️ 38th most popular in Mexico in the JavaScript Libraries category.
- ⬆️ 22nd most popular in Japan in the JavaScript Libraries category.
- ⬆️ 23rd most popular in Israel in the JavaScript Libraries category.
- ⬆️ 27th most popular in Vietnam in the JavaScript Libraries category.
- ⬆️ 27th most popular in Iran in the JavaScript Libraries category.
- ⬆️ 29th most popular in Lithuania in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Regenerator is more popular among sites focused on business, marketing and merchandising, and blogs and wiki, while Core-js is more commonly used on sports, recreation and hobbies, and restaurants sites.
Business
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Online Shopping
Travel
Entertainment
Internet Services
Health
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Meta company profile🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,814,833 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.