{"ScriptPreparationCode":"var arrLength = 150000;\r\nvar arr = new Array(arrLength).fill().map((_, idx) =\u003E ({ id: idx }));\r\nvar foo = Math.floor(Math.random() * arrLength);","TestCases":[{"Name":"findIndex","Code":"const userIdx = arr.findIndex(user =\u003E user.id === foo);","IsDeferred":false},{"Name":"lodash findindex","Code":"const userIdx = _.findIndex(arr, { id: foo });","IsDeferred":false}]}