c50157e099
Some JS functionality is only exposed through operators, such as implicit type conversions and BigInt arithmetic. Other than requiring some minor additions for the exponentiation (`**`) operator, supporting these through `dart:js_util` is trivial. Change-Id: I010674303e4f99b42d43b73095de69b8ddcdeb47 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/242680 Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Stephen Adams <sra@google.com>