• siri

 

nonUniqueElements([1,2,3,2,1]) An environment has been started. It will be restarted in 20 minutes if you don't use it. SyntaxError: unknown: Invalid number (3:39) 1 | "use strict";abdo 2 | 3 | function nonUniqueElements(data) {2018/03/14 | ^ 4 | return data;20 5 | } 6 | evalmachine.<anonymous>:3 nonUniqueElements([1, 2, 3, 2, 1]); ^

ReferenceError: nonUniqueElements is not defined at evalmachine.<anonymous>:3:1 Enter numbers separated by whitespaces

1 2 3 2 1 TryIt Checkio return null

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