{"ScriptPreparationCode":null,"TestCases":[{"Name":"concatenation","Code":"let str = \u0027\u0027;\r\n\r\nfor (let i = 0; i \u003C 10_000; i\u002B\u002B) {\r\n\tstr \u002B= i;\r\n}","IsDeferred":false},{"Name":"arr acc","Code":"const acc = [];\r\n\r\nfor (let i = 0; i \u003C 10_000; i\u002B\u002B) {\r\n acc.push(i);\r\n}\r\n\r\nacc.join();","IsDeferred":false}]}