{"ScriptPreparationCode":"var a = Array(10000).fill(undefined).map((_, i) =\u003E i);\r\nvar b = a.reduce((acc, el) =\u003E {\r\n acc[el] = true;\r\n return acc\r\n}, {});\r\nvar c = new Set(a);\r\nvar d = new Map(a.map(el =\u003E [el, true]));","TestCases":[{"Name":"array","Code":"return a.includes(200)","IsDeferred":false},{"Name":"obj","Code":"return b[\u0027200\u0027]","IsDeferred":false},{"Name":"set","Code":"return c.has(200)","IsDeferred":false},{"Name":"map","Code":"return d.get(200)","IsDeferred":false}]}