{"ScriptPreparationCode":"var str = \u0022\u0022;\r\nvar i;\r\nvar sArr = [];\r\nfor (i = 0; i \u003C 1000; i\u002B\u002B) {\r\n\tsArr.push(\u0022String concatenation. \u0022);\r\n}","TestCases":[{"Name":"String concatentation","Code":"for (i = 1000; i \u003E 0; i--) {\r\n\tstr \u002B= sArr[i];\r\n}","IsDeferred":false},{"Name":"Array join","Code":"str = sArr.join(\u0022\u0022);","IsDeferred":false}]}