JS add line copy line delete line implementation code


var customerInfoMethod =
//Copy to add lines & NBSP;
copyrow:function(obj,id

var rowIndex=obj.parentNode.parentNode.rowIndex; 
var resrow=document.getElementById(id); 
rowIndex--
var newRow=resrow.cloneNode(true);//document.createElement("tr"); 
var parent = resrow.parentNode; 
   if(parent.lastChild == resrow){ 
   //If targetElement is the last child of parent, insert newElement ;
   parent.appendChild(newRow); 
  }else
  //If not, insert it in front of the next sibling of the targetElement & NBSP;
   parent.insertBefore(newRow, resrow.nextSibling); 
  } 

//newRow.innerHTML=resrow.innerHTML; 
var selectObj = newRow.getElementsByTagName("select"); 
for(var a=0;a<selectObj.length;a++){ 
selectObj[a].options[0].selected=true

var inputObj = newRow.getElementsByTagName("input"); 
inputObj[0].style.display=""
inputObj[1].style.display="none"
}, 
//Copy to add lines & NBSP;
copyrowUpdate:function(obj,id

var rowIndex=obj.parentNode.parentNode.rowIndex;  
var resrow=document.getElementById(id); 
rowIndex--
var newRow=resrow.cloneNode(true);//document.createElement("tr"); 
var parent = resrow.parentNode; 
   if(parent.lastChild == resrow){ 
   //If targetElement is the last child of parent, insert newElement ;
   parent.appendChild(newRow); 
  }else
  //If not, insert it in front of the next sibling of the targetElement & NBSP;
   parent.insertBefore(newRow, resrow.nextSibling); 
  } 
//newRow.innerHTML=resrow.innerHTML; 
var selectObj = newRow.getElementsByTagName("select"); 
for(var a=0;a<selectObj.length;a++){ 
selectObj[a].options[0].selected=true

var inputObj = newRow.getElementsByTagName("input"); 
for(var i=0;i<inputObj.length-2;i++){ 
inputObj[i].value="0"

inputObj[inputObj.length-2].style.display=""
inputObj[inputObj.length-1].style.display="none"
}, 
//Delete the line  
deleteRow:function(rootId,obj) { 
var rootTable = $(rootId); 
rootTable.deleteRow(obj.parentNode.parentNode.rowIndex); 
  } 

 
function addRow(tableId,trId){ 
var tableObj = document.getElementById(tableId); 
var trObj = document.getElementById(trId); 
//var trIndex = trObj.rowIndex+1; 
var rows = tableObj.rows.length
var cell = ""
var tr = tableObj.insertRow(rows); 
for(i=0;i<trObj.cells.length;i++){ 
 cell= tableObj.rows(rows).insertCell(i); 
 cell.innerText= trObj.cells(i).innerText; 
 cell.className= trObj.cells(i).className; 
 cell.innerHTML= trObj.cells(i).innerHTML; 


 
function deleteRow(tableId,trId){ 
    var tableObj = document.getElementById(tableId); 
    var trObj = document.getElementById(trId); 

    //var trIndex = trObj.rowIndex;// copy tr The line number  
    var rows = tableObj.rows.length
    if(rows>0){ 
    tableObj.deleteRow(rows-1); 
    }else
        alert(" No deleted card number information! "); 
    }