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