このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
object access time complexity
対処
関連リンク
Complexity of accessing data in an object - Stack Overflowstackoverflow.com/.../complexity-of-accessing-data-in-...
https://stackoverflow.com/questions/45266944/complexity-of-accessing-data-in-an-object
JavaScript Objects as Hashes? Is the complexity ...
https://stackoverflow.com/questions/12241676/javascript-objects-as-hashes-is-the-complexity-greater-・・・
What is the run time complexity O(?) for ...
https://stackoverflow.com/questions/28224794/what-is-the-run-time-complexity-o-for-javascript-to-acc・・・