[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-26 UTC。"],[[["This method checks if a given element is present within a list."],["It returns true if the element is found in the list, otherwise it returns false."],["The method takes the list and the element to search for as arguments."]]],["The core function, `List.contains(element)`, checks for the presence of a specified element within a list. It accepts two arguments: the `list` itself (of type List) and the `element` (of type Object) to search for. The function returns a Boolean value, specifically `true` if the `element` exists in the `list`, and presumably `false` otherwise.\n"]]