A.HTMLB.SQLC.JAVA
A.window.event.keyCodeB.window.event.srcElement.nameC.window.event.nameD.window.event.value
A.onselect當(dāng)選中時觸發(fā)B.onchange當(dāng)值改變時觸發(fā)C.onmouseout當(dāng)鼠標(biāo)經(jīng)過時觸發(fā)D.onfocus當(dāng)獲得焦點(diǎn)時發(fā)生
