{"ScriptPreparationCode":null,"TestCases":[{"Name":"addition method","Code":"const str1 = \u0022red \u0022\r\nconst str2 = \u0022apple\u0022\r\nconst str = str1\u002Bstr2\r\nconsole.log(str1)","IsDeferred":false},{"Name":"concatenation method","Code":"const str1 = \u0022red \u0022\r\nconst str2 = \u0022apple\u0022\r\nconst str = str1.concat(str2)\r\nconsole.log(str)","IsDeferred":false}]}