Modular standard library for JavaScript.
https://github.com/zloirock/core-js
JavaScript Libraries and Functions · Framework
Get access to data on 3,396,759 websites that are core-js Customers. We know of 771,725 live websites using core-js and an additional 2,625,034 sites that used core-js historically and 619,327 websites in the United States.
Get a list of 3,396,759 websites using core-js which includes location information, hosting data, contact details, 1,295,501 currently live websites which includes 523,776 domains that redirect to sites in the list. 2,625,034 sites that used this technology previously and 619,327 websites in the United States currently using core-js.