I am working on a Script for sorting boxes. Here my problem. In the code:
Size_XS = document.getElementById('Size_XS'+i).value*1;
seems to work without any problem.
While this one:
document.getElementById('Size_XS'+i).value = Size_XS;
will give me the error message: document.getElementById(...) is null or not an object. if I change to:
document.getElementById('Size_XS1').value = Size_XS;
It all works, but then I cannot loop the file later and why does it work with i above?
My script below:
function calcbox(){
var count = document.getElementById('count').value*1;
count = count+1;
var box_num = 0;
var header = "<table style='border:#000 1px solid; background-color:#fff;'><tr><td width='25'><b>Box</b></td><td width='200'><b>Item name</b></td><td width='100'><b>Sizes</b></td><td width='250'><b>Pcs</b></td></tr>";
var output = header+document.getElementById('output').innerHTML;
var total_qty;
var box_qty;
var item_name;
var Size_XS=0;
var Size_S=0;
var Size_M=0;
var Size_L=0;
/*for(var i=1;i<count;i++){*/
var i=1;
total_qty = document.getElementById('total_qty'+i).value*1;
box_qty = document.getElementById('box_qty'+i).value*1;
item_name = document.getElementById('item_name'+i).value;
Size_XS = document.getElementById('Size_XS'+i).value*1;
Size_S = document.getElementById('Size_S'+i).value*1;
Size_M = document.getElementById('Size_M'+i).value*1;
Size_L = document.getElementById('Size_L'+i).value*1;
//Packing whole boxes
if(Size_XS>=box_qty){
var Box_count = parseInt(Size_XS/box_qty);
for(var i=1;i<=Box_count;i++){
box_num = box_num+1;
output = output+"<tr><td>"+box_num+"</td><td>"+item_name+"</td><td>S</td><td>"+box_qty+"</td></tr>";
}
Size_XS = Size_XS-(box_qty*Box_count);
alert(Size_XS);
document.getElementById('Size_XS'+i).value = Size_XS;
}
if(Size_S>=box_qty){
var Box_count = parseInt(Size_S/box_qty);
for(var i=1;i<=Box_count;i++){
box_num = box_num+1;
output = output+"<tr><td>"+box_num+"</td><td>"+item_name+"</td><td>S</td><td>"+box_qty+"</td></tr>";
}
Size_S = Size_S-(box_qty*Box_count);
document.getElementById('Size_S'+i).value = Size_S;
}
if(Size_M>=box_qty){
var Box_count = parseInt(Size_M/box_qty);
for(var i=1;i<=Box_count;i++){
box_num = box_num+1;
output = output+"<tr><td>"+box_num+"</td><td>"+item_name+"</td><td>M</td><td>"+box_qty+"</td></tr>";
}
Size_M = Size_M-(box_qty*Box_count);
document.getElementById('Size_M'+i).value = Size_M;
}
if(Size_L>=box_qty){
var Box_count = parseInt(Size_L/box_qty);
for(var i=1;i<=Box_count;i++){
box_num = box_num+1;
output = output+"<tr><td>"+box_num+"</td><td>"+item_name+" </td><td>L</td><td>"+box_qty+"</td></tr>";
}
Size_L = Size_L-(box_qty*Box_count);
document.getElementById('Size_L'+i).value = Size_L;
}
document.getElementById("output").innerHTML = output+"</table>";
document.getElementById("qty_boxes").value = box_num;
show('Volume_weight');
}
I'm getting my values from here in the HTML code:
<table>
<tr>
<td width="10">1</td>
<td width="120"><input id="item_name1" type="text" style="width:100px;" /></td>
<td width="80"><input id="box_qty1" type="text" style="width:30px;" /></td>
<td width="40"><input id="Size_XS1" type="text" style="width:30px;" onchange="totcalc(1);" /></td>
<td width="40"><input id="Size_S1" type="text" style="width:30px;" onchange="totcalc(1);" /></td>
<td width="40"><input id="Size_M1" type="text" style="width:30px;" onchange="totcalc(1);" /></td>
<td width="40"><input id="Size_L1" type="text" style="width:30px;" onchange="totcalc(1);" /></td>
<td width="60"><input id="total_qty1" type="text" style="width:50px;" /></td>
</tr>
</table>