Hello
{"ScriptPreparationCode":null,"TestCases":[{"Name":"ClassList","Code":"let element = document.getElementById(\u0022foo\u0022);\r\nelement.classList.add(\u0022foo\u0022, \u0022bar\u0022);","IsDeferred":false},{"Name":"className","Code":"let element = document.getElementById(\u0022foo\u0022);\r\nelement.className = \u0022foo bar\u0022;","IsDeferred":false}]}