{"ScriptPreparationCode":"const arr = Array(500).fill(null);\r\nvar parents = arr.map(() =\u003E {\r\n return {\r\n children: arr.map((value, index) =\u003E ({value, selected: index % 2})),\r\n };\r\n});","TestCases":[{"Name":"Not optimized","Code":"let out = [];\r\nparents.forEach(parent =\u003E {\r\n const selected = parent.children.filter(child =\u003E child.selected).map(child =\u003E child.value);\r\n out = [...out, ...selected];\r\n});","IsDeferred":false},{"Name":"Optimized","Code":"const out = [];\r\nparents.forEach(parent =\u003E {\r\n parent.children.forEach(child =\u003E child.selected \u0026\u0026 out.push(child.value));\r\n});","IsDeferred":false}]}