Optional catch bindingOmit the binding parameter of a catch clause when you don't need information about the exception in a try ... catch statement.javascriptJavaScriptwidely2020-01-152022-07-15https://tc39.es/ecma262/multipage/ecmascript-language-statements-and-declarations.html#sec-try-statementhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Statements/try...catchjavascript.statements.try_catch.optional_catch_bindinghttps://nowyoucanuse.com/features--optional-catch-binding.html