?

//0行0列

var oTd = document.getElementById("tableId").rows(0).cells(0).innerText;?

?

//表格行数

var row = document.getElementById("tableId").rows.length;

?

?------------------------------------------

?

//表格姓名列名字相同时序号相同
function addCell(){
??var num=4; //第四行开始
??var next_num = num+1;
??var _num = num-3;//序号
??? for(var i=0;i<document.getElementById("tableId").rows.length;i++){
? ???if(next_num < document.getElementById("tableId").rows.length-1){
? ???var oTd = document.getElementById("tableId").rows(num).cells(1).innerText;?
? ???var oTd1 = document.getElementById("tableId").rows(next_num).cells(1).innerText;
?? ??if(oTd == oTd1){//第一行名字和第二行相同时序号相同
?? ???document.getElementById("tableId").rows(num).cells(0).innerText = _num;
? ????document.getElementById("tableId").rows(next_num).cells(0).innerText = _num;
?? ??}else{
?? ???if(num==4){
?? ???document.getElementById("tableId").rows(num).cells(0).innerText = _num;
?? ???}
? ????document.getElementById("tableId").rows(next_num).cells(0).innerText = _num+1;
? ????_num++; //不相同时序号加1
?? ??}
??? ?num++;
??? ?next_num++;
??? ?}
?}
?}