js在表格最后添加一行

var oTable = document.all["岁逗table_id"]

// 调用table对象的insertRow方法,增加一个新行到表格桐绝末尾,并返回新增的tr对象局雀姿

var oTr = oTable.insertRow()

    var tbl = document.getElementById("myTable")

    var obj = tbl.insertRow(tbl.rows.length)

    obj.insertCell().innerHTML = "1"

    弊渗御obj.insertCell().innerHTML 喊链= "2"

   租岩 obj.insertCell().innerHTML = "3"

    obj.onmouseover=function(){markThisTr(obj)}

    obj.onmouseout=function(){mouseOut(obj)}

    obj.style.textAlign='center'

    obj.style.cursor='pointer'

}