{"ScriptPreparationCode":"function case1() {\r\n var el = \u0027test\u0027;\r\n var arr = [\u0027foo\u0027, \u0027bar\u0027];\r\n\r\n return el \u002B arr.join(\u0027,\u0027);\r\n}\r\n\r\nfunction case2() {\r\n var el = \u0027test\u0027;\r\n var arr = [\u0027foo\u0027, \u0027bar\u0027];\r\n\r\n arr.unshift(el);\r\n return arr.join(\u0027,\u0027);\r\n}","TestCases":[{"Name":" string concat \u002B join","Code":"case1()","IsDeferred":false},{"Name":"unshift \u002B join","Code":"case2()","IsDeferred":false}]}