Looks like you're trying to mix javascript and python code in a quite
impossible way. Just pass qty instead of index to the function and use that
as the quantity.
A domingo, 26 de março de 2023 à(s) 15:04:29 UTC+1, mostwanted escreveu:
> I want to be able to calculate subtotal by multiplying quantity and price
> but I cant because
> *var quantity = parseInt("{{=details.quantities[index]}}");* in the
> code below carries the value of 1 and it does not change. Please assist me
> identify what could be wrong here and how can i rectify it?
>
> *Model:*
> db.define_table('client_order'),
> Field('quoted_item','list:string', required=True),
> Field('quantities','list:string', required=True))
>
> *View:*
> {{for index, (item, qty) in enumerate(zip(details.quoted_item,
> details.quantities)):}}
> <tr>
> <td>{{=item}}</td>
> <td><input type="text" onchange="calculateSubtotal(this,
> {{=index}})" /></td>
> <td>{{=qty}}</td>
> <td><span id="subtotal{{=index}}"></span></td>
> </tr>
> {{pass}}
>
> <script>
> function calculateSubtotal(input, index) {
> var price = parseFloat(input.value);
> * var quantity = parseInt("{{=details.quantities[index]}}");*
> var subtotal = parseFloat(price * quantity);
> document.getElementById("subtotal" + index).innerHTML =
> subtotal.toFixed(2);
> updateGrandTotal();
> console.log(parseFloat("{{=details.quantities[index]}}"));
> }
> </script>
>
> Regards
>
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