{"ScriptPreparationCode":"var array = [];\r\nfor ( var i=0; i \u003C 300; \u002B\u002Bi ) {\r\n \tarray.push({ index: i, text: \u0060${i}\u0060 });\r\n}\r\nvar map = new Map();\r\narray.forEach((item, index) =\u003E map.set(item, index));","TestCases":[{"Name":"indexOf","Code":"const toFindIndex = Math.floor(Math.random() * 300)\r\narray.indexOf(array.indexOf((v) =\u003E v === v[toFindIndex]));","IsDeferred":false},{"Name":"map","Code":"const toFindIndex = Math.floor(Math.random() * 300)\r\nmap.get(toFindIndex)","IsDeferred":false}]}