{"ScriptPreparationCode":null,"TestCases":[{"Name":"Spread operator","Code":"let obj = {}\r\n\r\nfor(i=0; i\u003C100000; i\u002B\u002B){\r\n obj[i] = true\r\n}\r\n\r\nlet newObj = { ...obj, foo: \u0027bar\u0027 }","IsDeferred":false},{"Name":"Key assignment","Code":"let obj = {}\r\n\r\nfor(i=0; i\u003C100000; i\u002B\u002B){\r\n obj[i] = true\r\n}\r\n\r\nobj.foo = \u0027bar\u0027","IsDeferred":false}]}