Hi! NHNgodo!
{"ScriptPreparationCode":null,"TestCases":[{"Name":"by Id","Code":"var el = document.getElementById(\u0022nhngodo\u0022);\r\nel.innerText = \u0022Good job!\u0022;","IsDeferred":false},{"Name":"byName","Code":"var el = document.getElementsByClassName(\u0022nhngodo\u0022);\r\nel.innerText = \u0022Good job!\u0022;","IsDeferred":false}]}