{"ScriptPreparationCode":"var arr = new Array(15000);\r\narr.fill({ id: 0, name=\u0027joseph\u0027, age: 20, children: 5, alien: false, createdAt: \u00272024-1-1\u0027, height: \u0027180cm\u0027 });\r\narr = arr.map((el, idx) =\u003E el.id = idx);\r\nvar foo = Math.floor(Math.random() * 15000);\r\nvar bar = arr[foo]","TestCases":[{"Name":"findeIndex","Code":"var index = arr.findIndex((num) =\u003E num === foo);","IsDeferred":false},{"Name":"indexOf","Code":"var index = arr.indexOf(bar);","IsDeferred":false}]}