{"ScriptPreparationCode":null,"TestCases":[{"Name":"lastIndexOf","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str.lastIndexOf(\u0022Hello\u0022, 0) === 0;","IsDeferred":false},{"Name":"indexOf","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str.indexOf(\u0022Hello\u0022) === 0;","IsDeferred":false},{"Name":"startsWith","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str.startsWith(\u0022Hello\u0022);","IsDeferred":false},{"Name":"idx","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str[0] === \u0027H\u0027 \u0026\u0026 str[1] === \u0027e\u0027 \u0026\u0026 str[2] === \u0027l\u0027 \u0026\u0026 str[3] === \u0027l\u0027 \u0026\u0026 str[4] === \u0027o\u0027;","IsDeferred":false},{"Name":"idx #2","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str[0] == \u0027H\u0027 \u0026\u0026 str[1] == \u0027e\u0027 \u0026\u0026 str[2] == \u0027l\u0027 \u0026\u0026 str[3] == \u0027l\u0027 \u0026\u0026 str[4] == \u0027o\u0027;","IsDeferred":false},{"Name":"substr","Code":"var str = \u0022Hello world, welcome to the universe.\u0022;\r\nvar n = str.substring(0, 5) === \u0027Hello\u0027;","IsDeferred":false}]}