ECMAScript 5 compatibility shims for legacy JavaScript engines.
https://github.com/kriskowal/es5-shim
JavaScript Libraries and Functions · Compatibility
Get access to data on 722,018 websites that are ECMAScript 5 Shim Customers. We know of 122,368 live websites using ECMAScript 5 Shim and an additional 599,650 sites that used ECMAScript 5 Shim historically and 76,534 websites in the United States.
Get a list of 722,018 websites using ECMAScript 5 Shim which includes location information, hosting data, contact details, 122,368 currently live websites and an additional 121,166 domains that redirect to sites in this list. 599,650 sites that used this technology previously and 76,534 websites in the United States currently using ECMAScript 5 Shim.