{"ScriptPreparationCode":"var length = 10000;\r\nvar arr = []\r\n\r\nfor (var i = 0; i \u003C length; i\u002B\u002B) {\r\n arr.push(Math.random());\r\n}\r\n\r\nvar arrset = new Set(arr)\r\n\r\nvar f = arr[arr.length / 2]\r\n","TestCases":[{"Name":"includes","Code":"return arr.includes(f)","IsDeferred":false},{"Name":"lookup","Code":"return arrset.has(f)","IsDeferred":false}]}