单项选择题
A.onclickB.onmouseoverC.onsubmitD.onpressbutton
A.document.getElementsByClass(".box")B.document.getElementsByClassName(".box")C.document.getElementsByClass("box")D.document.getElementsByClassName("box")
A.document.getElementsByName(“div”)B.document.getElementsByTagName(“div”)C.document.getElementsByName(div)D.document.getElementsByTagName(div)