{"ScriptPreparationCode":null,"TestCases":[{"Name":"lastIndexOf","Code":"let str = \u0027Hello, World!\u0027;\r\nlet reverseStr = str.split(\u0027\u0027).reverse().join(\u0027\u0027);\r\nlet n = reverseStr.indexOf(\u0027hello\u0027);","IsDeferred":false},{"Name":"indexOf","Code":"let str = \u0027Hello, World!\u0027;\r\nlet n = str.indexOf(\u0027hello\u0027);","IsDeferred":false}]}