{"ScriptPreparationCode":null,"TestCases":[{"Name":"className","Code":"var element = document.getElementById(\u0022foo\u0022);\r\nvar i = 1000;\r\nwhile (i--) {\r\n\telement.className = \u0022bar\u0022;\r\n}","IsDeferred":false},{"Name":"setAttribute","Code":"var element = document.getElementById(\u0022foo\u0022);\r\nvar i = 1000;\r\nwhile (i--) {\r\n\telement.setAttribute(\u0022class\u0022, \u0022bar\u0022);\r\n}","IsDeferred":false},{"Name":"classList","Code":"var element = document.getElementById(\u0022foo\u0022);\r\nvar i = 1000;\r\nwhile (i--) {\r\n\telement.classList.add(\u0022bar\u0022);\r\n}","IsDeferred":false},{"Name":"dataset","Code":"var element = document.getElementsByTagName(\u0022div\u0022)[0];\r\nvar i = 1000;\r\nwhile (i--) {\r\n\telement.dataset.foo = \u0027bar\u0027;\r\n}","IsDeferred":false}]}