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POUpdating a text field updates a table cell (per row basis)
 

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    <p>I have a table for adding lines to an estimate to send to my clients, looking roughly like this:</p> <pre><code>&lt;table&gt; &lt;thead&gt; &lt;tr&gt; &lt;th&gt;Qty&lt;/th&gt; &lt;th&gt;Kind&lt;/th&gt; &lt;th&gt;Description&lt;/th&gt; &lt;th&gt;Price&lt;/th&gt; &lt;th&gt;Discount&lt;/th&gt; &lt;th&gt;Tax&lt;/th&gt; &lt;th&gt;Total&lt;/th&gt; &lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;&lt;input type="text" name="qty[]" class="qty" /&gt;&lt;/td&gt; &lt;td&gt;&lt;!-- select field with different kinds of services --&gt;&lt;/td&gt; &lt;td&gt;&lt;input type="text" name="desc[]" /&gt;&lt;/td&gt; &lt;td&gt;&lt;input type="text" name="price[]" class="price" /&gt;&lt;/td&gt; &lt;td&gt;&lt;input type="text" name="discount[]" class="discount" /&gt;&lt;/td&gt; &lt;td&gt;&lt;!-- select field with tax rates --&gt;&lt;/td&gt; &lt;td class="total"&gt;&lt;!-- here goes the total amount (qty * price - discount) --&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt; &lt;span class="subtotal"&gt;&lt;!-- the total amount (all lines together) --&gt;&lt;/span&gt; </code></pre> <p>When there's a keypress event on input.qty, input.discount and input.price, the td.total needs to be updated for the total sum on each line. I have a function where I can add several table rows, hence the array of inputs.</p> <p>So what I need is when the input fields are updated, jQuery needs to update the following td.total. I tried with both, $('input.qty').keypress(function(){ $(this).next('td.total').html() }) but that didn't work.</p>
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