{"ScriptPreparationCode":"let email = \u0027TestUser2137@example.com\u0027;\r\nlet times = 1000;","TestCases":[{"Name":"Split","Code":"let x = 0;\r\nwhile (x \u003C times) {\r\n const userName = email.split(\u0027@\u0027)[0];\r\n console.log(userName);\r\n x \u002B= 1;\r\n}","IsDeferred":false},{"Name":"Substring","Code":"let x = 0;\r\nwhile (x \u003C times) {\r\n const userName = email.substring(0, email.indexOf(\u0027@\u0027));\r\n console.log(userName);\r\n x \u002B= 1;\r\n}","IsDeferred":false}]}