{"ScriptPreparationCode":"var str = \u0027\u0027;\r\nvar i = 0;\r\n\r\nwhile (i \u003C= 1E5) str \u002B= i\u002B\u002B;\r\nstr \u002B= \u0027end\u0027;","TestCases":[{"Name":"String.prototype.includes","Code":"const item = str.includes(\u0027end\u0027);","IsDeferred":false},{"Name":"String.prototype.indexOf","Code":"const index = str.indexOf(\u0027end\u0027);","IsDeferred":false}]}