{"ScriptPreparationCode":"var string1 = \u0022Hello \u0022;\r\nvar string2 = \u0022 world!\u0022;","TestCases":[{"Name":"concat()","Code":"for(i = 0; i \u003C 1000; i\u002B\u002B) {\r\n var message = string1.concat(string2);\r\n}","IsDeferred":false},{"Name":"plus_operator","Code":"for(i = 0; i \u003C 1000; i\u002B\u002B) {\r\n var message = string1 \u002B string2;\r\n}","IsDeferred":false},{"Name":"plus_eq_operator","Code":"for(i = 0; i \u003C 1000; i\u002B\u002B) {\r\n string1 \u002B= string2;\r\n}","IsDeferred":false}]}