{"ScriptPreparationCode":"var strs = Array.from(new Array(10000)).map(() =\u003E \u0027String concat. \u0027)\r\nvar result = \u0027\u0027","TestCases":[{"Name":"Concat","Code":"for (let i = 0; i \u003C strs.length; i\u002B\u002B) {\r\n result \u002B= strs[i]\r\n}","IsDeferred":false},{"Name":"Join","Code":"result = strs.join(\u0027\u0027)","IsDeferred":false}]}