{"ScriptPreparationCode":null,"TestCases":[{"Name":"Null assignment","Code":"const obj = {};\r\nfor (let i = 0; i \u003C 1000000; i\u002B\u002B) {\r\n obj.array ??= [];\r\n}","IsDeferred":false},{"Name":"Conditional Check","Code":"const obj = {};\r\nfor (let i = 0; i \u003C 1000000; i\u002B\u002B) {\r\n if (typeof obj.array === \u0027undefined\u0027) {\r\n obj.array = [];\r\n }\r\n}","IsDeferred":false}]}