JavaScript实现动态添加，删除行的方法实例详解

 
function numberCells() 
{
 var count=0;
 for (i=0; i < document.all.mytable.rows.length; i++)
 {
 for (j=0; j < document.all.mytable.rows(i).cells.length; j++) 
 {
 document.all.mytable.rows(i).cells(j).innerText = count;
 count++;
 }
 }
}
function tb_addnew()
{
 var ls_t=document.all("mytable")
 maxcell=ls_t.rows(0).cells.length;
 mynewrow = ls_t.insertRow();
 for(i=0;i 1)
 {
 ls_t.deleteRow() ;
 }
}