Modular standard library for JavaScript.
https://github.com/zloirock/core-js
JavaScript Libraries and Functions · Framework
Get access to data on 5,254,963 websites that are core-js Customers. We know of 1,334,174 live websites using core-js and an additional 3,920,789 sites that used core-js historically and 916,739 websites in the United States.
Get a list of 5,254,963 websites using core-js which includes location information, hosting data, contact details, 1,334,174 currently live websites and an additional 1,591,418 domains that redirect to sites in this list. 3,920,789 sites that used this technology previously and 916,739 websites in the United States currently using core-js.