{"ScriptPreparationCode":"var arr = new Array(15000);\r\narr.fill({ id: 0 });\r\narr = arr.map((el, idx) =\u003E el.id = idx);\r\nvar foo = Math.floor(Math.random() * 15000);","TestCases":[{"Name":"findIndex","Code":"arr.findIndex(x =\u003E x.id === 0);","IsDeferred":false},{"Name":"Map \u002B IndexOf","Code":"arr.map(x =\u003E x.id).indexOf(0);","IsDeferred":false}]}