{"ScriptPreparationCode":"var a = Array(10000).fill(undefined).map((_, i) =\u003E i);\r\nvar b = a.reduce((acc, el) =\u003E { acc[el] = true; return acc }, {});\r\nvar c = new Set(a);\r\nvar d = new Map(a.map(el =\u003E [el, true]));","TestCases":[{"Name":"includes","Code":"return a.includes(9)","IsDeferred":false},{"Name":"hash","Code":"return b[\u00279\u0027]","IsDeferred":false},{"Name":"set","Code":"return c.has(9)","IsDeferred":false},{"Name":"map","Code":"return d.get(9)","IsDeferred":false}]}