{"ScriptPreparationCode":null,"TestCases":[{"Name":"first","Code":"let s = \u0022helo\u0022;\r\ns.replace(s.substr(0,1), s.substr(0,1).toUpperCase());","IsDeferred":false},{"Name":"second","Code":"let s = \u0022helo\u0022;\r\ns[0].toUpperCase() \u002B s.substr(1);","IsDeferred":false}]}