{"ScriptPreparationCode":"var elem = document.createElement(\u0022div\u0022);","TestCases":[{"Name":"dataset","Code":"let i = 1000;\r\nwhile (i--){\r\n elem.dataset[\u0022test\u0022] = i;\r\n}","IsDeferred":false},{"Name":"classlist","Code":"let i = 1000;\r\nwhile (i--){\r\n elem.classList.add(\u0022test\u0022 \u002B i);\r\n}","IsDeferred":false}]}