[zt]通过按钮添加行

[zt]通过按钮添加行

< html >
     < head >
         < script  language ="javascript" >
             var  rowIndex  =   0 ;
            
             function  addOneLineOnClick() {
                 var  row  =  tb.insertRow(tb.rows.length);
                col  =  row.insertCell( 0 );
                col.innerHTML  =   " <tr><input size='90'  name=btn index=\ "" + rowIndex + " \ "  > " ;
                col  =  row.insertCell( 1 );
                col.innerHTML  =   " <input type='button' value='Del'  onclick=\ " return  DeleteRow('row "  + rowIndex + " ')\ " ></tr> " ;
                row.setAttribute( " id " ,  " row "   +  rowIndex);
                row.setAttribute( " name " ,  " row "   +  rowIndex);
                rowIndex ++ ;
            }

             function  DeleteRow(rowTag){
                 var  i  =  tb.rows(rowTag).rowIndex;
                 var  j;
                 for (j = i;j <= rowIndex;j ++ ) { 
                    tb.rows(j).cells( 0 ).all( " btn " ).index -- ; 
                }
                tb.deleteRow(i);
                rowIndex -- ;
            }
         </ script >
     </ head >
     < body  >
         < div  align ="center" >             
             < table  width ="95%"  name ="tb"  id ="tb" >
                 < tr >
                 </ tr >
             </ table >
             < p >             
             < input  name ="btnAddLine"  type ="button"  id ="btnAddLine"  onClick ="return addOneLineOnClick()"  value ="Add" >
         </ div >
     </ body >
</ html >