{"ScriptPreparationCode":"var a = new Array(10000).fill(null).map((_, i) =\u003E i).sort(() =\u003E Math.random() - 0.5)\r\nvar b = new Set(a)\r\nvar c = a.reduce((a, b) =\u003E ({ ...a, b: true }), {})","TestCases":[{"Name":"includes","Code":"return a.includes(1)","IsDeferred":false},{"Name":"lookup","Code":"return b.has(1)","IsDeferred":false},{"Name":"object key","Code":"return c[1]","IsDeferred":false},{"Name":"array find","Code":"return a.find(n =\u003E n === 100)","IsDeferred":false}]}