ECMAScript 5 compatibility shims for legacy JavaScript engines.
https://github.com/kriskowal/es5-shim
JavaScript Libraries and Functions · Compatibility
Get access to data on 876,290 websites that are ECMAScript 5 Shim Customers. We know of 105,786 live websites using ECMAScript 5 Shim and an additional 770,504 sites that used ECMAScript 5 Shim historically and 65,392 websites in the United States.
Get a list of 876,290 websites using ECMAScript 5 Shim which includes location information, hosting data, contact details, 199,639 currently live websites which includes 93,853 domains that redirect to sites in the list. 770,504 sites that used this technology previously and 65,392 websites in the United States currently using ECMAScript 5 Shim.