{"ScriptPreparationCode":"var arr = Array.from({\r\n length: 1000\r\n}, (_, i) =\u003E {\r\n return {\r\n id: i,\r\n };\r\n});\r\nvar foo = Math.floor(Math.random() * 1000);","TestCases":[{"Name":"findIndex","Code":"const index = arr.findIndex((num) =\u003E num.id === foo);","IsDeferred":false},{"Name":"find","Code":"const value = arr.find((num) =\u003E num.id === foo);","IsDeferred":false},{"Name":"map and indexOf","Code":"const index = arr.map((num) =\u003E num.id).indexOf(foo);","IsDeferred":false}]}