Javascript also has an edge case, where trailing commas in array literals create sparse arrays with additional slots. See https://dev.to/damil/beautiful-perl-feature-trailing-commas-4504 where I recently discussed trailing commas in various languages.
Javascript also has an edge case, where trailing commas in array literals create sparse arrays with additional slots. See https://dev.to/damil/beautiful-perl-feature-trailing-commas-4504 where I recently discussed trailing commas in various languages.