{"ScriptPreparationCode":"var a = [];\r\nfor (let i = 0; i \u003C 100_000; i\u002B\u002B) {\r\n a.push(i);\r\n}\r\nvar b = new Set(a)\r\nvar c = {}\r\nfor (const key of a) {\r\n c[key] = 0; \r\n}","TestCases":[{"Name":"includes","Code":"return a.includes(9)","IsDeferred":false},{"Name":"lookup","Code":"return b.has(9)","IsDeferred":false},{"Name":"in","Code":"return 9 in c","IsDeferred":false}]}