Showing both SubTotal and Total simultaneously in a JavaScript powered interface

Recently diving into Javasript, I came across the code snippet below from a different source that I tweaked to suit my needs. My goal is to show the subtotal in the third column for each benefit while displaying the total of the entire form. However, I'm encountering issues with displaying the Subtotal correctly. Here's the code I've been working with. Any assistance you can provide would be greatly appreciated. Thank you!

<table cellpadding="5" cellspacing="3" style="font-size:10px;color: #1666AF; line-height:2.1;" width="280">
    <tbody>
        <tr>
            <td width="60%"><span style="color: #DF2727; font-weight:bold;">Benefits</span></td>
            <td width="20%" align="center" ><span style="color: #DF2727; font-weight:bold;">Qty</span></td>
            <td width="20%"><span style="color: #DF2727; font-weight:bold;">Savings</span></td>
        </tr>
        ...
javascript

Answer №1

To update only the current tr's cell, you can integrate this code snippet within your cycle or move it outside of the cycle. This should be added to the CalculateEstimatedSavings function.

 form_field.parentElement.nextElementSibling.getElementsByTagName('span')[0].textContent="$" + round_decimals( item_quantity * item_price, 2)

For a demonstration, visit http://jsfiddle.net/Srq9v/1/.

When using the nextElementSibling function, exercise caution as its support in Internet Explorer may vary.

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