libjs-es5-shim 4.5.9-1 (amd64 binary) in ubuntu bionic

 The es5-shim library monkey-patches a JavaScript context to contain
 all ECMAScript 5 methods that can be faithfully emulated with a
 legacy JavaScript engine.
 .
 The es5-sham part tries to complete the picture as best as possible, but
 for those methods the result is not as close and mostly intends to avoid
 runtime errors : in many cases it might just silently fail.