{"ScriptPreparationCode":null,"TestCases":[{"Name":"Array.prototype.concat","Code":"var str1 = \u0022Hello \u0022;\r\nvar str2 = \u0022world!\u0022;\r\nvar res = str1.concat(str2);","IsDeferred":false},{"Name":"spread operator","Code":"var str1 = \u0022Hello \u0022;\r\nvar str2 = \u0022world!\u0022;\r\nvar res = str1\u002Bstr2;","IsDeferred":false}]}