{"ScriptPreparationCode":"const randomString = () =\u003E (Math.random() \u002B 1).toString(36).substring(2)\r\nvar a = Array.from({\r\n length: 500\r\n}).map(() =\u003E randomString())\r\nvar b = new Set(a);\r\nvar c = a.reduce((a, v) =\u003E ({\r\n ...a,\r\n [v]: v\r\n}), {})\r\nvar str = a[Math.round(Math.random() * 500)]","TestCases":[{"Name":"includes","Code":"return a.includes(str)","IsDeferred":false},{"Name":"lookup","Code":"return b.has(str)","IsDeferred":false},{"Name":"object","Code":"return c[str]","IsDeferred":false}]}