{"ScriptPreparationCode":"var filename = \u0022file.name.png\u0022;","TestCases":[{"Name":"slice","Code":"var a = filename.slice(0, filename.lastIndexOf(\u0027.\u0027));\r\nvar b = filename.slice(filename.lastIndexOf(\u0027.\u0027));","IsDeferred":false},{"Name":"substr","Code":"var a = filename.substr(0, filename.lastIndexOf(\u0027.\u0027));\r\nvar b = filename.substr(filename.lastIndexOf(\u0027.\u0027));","IsDeferred":false},{"Name":"substring","Code":"var a = filename.substring(0, filename.lastIndexOf(\u0027.\u0027));\r\nvar b = filename.substring(filename.lastIndexOf(\u0027.\u0027));","IsDeferred":false}]}