{"ScriptPreparationCode":null,"TestCases":[{"Name":"style.display = none","Code":"var i = 3000;\r\nwhile (i--) {\r\n\tdocument.getElementById(\u0022foo\u0022).style.display = \u0027none\u0027;\r\n\tdocument.getElementById(\u0022foo\u0022).style.display = \u0027block\u0027;\r\n}","IsDeferred":false},{"Name":"classList add hide","Code":"var i = 3000;\r\nwhile (i--) {\r\n\tHideElement(\u0022foo\u0022);\r\n\tShowElement(\u0022foo\u0022);\r\n}\r\n\r\nfunction HideElement(element) {\r\n document.getElementById(element).style.display = \u0027none\u0027;\r\n}\r\n\r\nfunction ShowElement(element) {\r\n document.getElementById(element).style.display = \u0027block\u0027;\r\n}\r\n","IsDeferred":false}]}