{"ScriptPreparationCode":"var list = Array.from({ length: 1000 }).map((_, i) =\u003E \u0060Item ${i \u002B 1}\u0060);","TestCases":[{"Name":"A: push","Code":"var newList = [];\r\nlist.forEach(item =\u003E newList.push(item));","IsDeferred":false},{"Name":"B: Spread","Code":"var newList = [];\r\nlist.forEach(item =\u003E newList = [ ...newList, item ]);","IsDeferred":false}]}