Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>The problem is that you don't update <code>form_amount</code> inside <code>checkedAll()</code> when <code>checked</code> is <code>false</code>.</p> <p><strong>Updated:</strong> After having read through all the comments I thought it would be easier to refactor your javascript, now it does what you expect it to do.</p> <pre><code>&lt;script language="javascript" type="text/javascript"&gt; var discounted_amount = 999.00; var isAllChecked = false; function allChecked() { var elements = document.WisBundle.elements; for (i = 0; i &lt; elements.length; i++) if (elements[i].type == 'checkbox' &amp;&amp; elements[i].checked == false) return false; return true; } function calculateAmount() { var amount = 0.0; for (i = 0; i &lt; document.WisBundle.elements.length; i++) { var element = document.WisBundle.elements[i]; if (element.type == 'checkbox' &amp;&amp; element.checked) { amount += parseFloat(document.WisBundle.elements[i].value); } } return (allChecked() ? discounted_amount : amount).toFixed(2); } function CheckChoice(whichbox) { document.WisBundle.amount.value = calculateAmount(); } function checkedAll() { isAllChecked = !isAllChecked; // toggle checked state (true -&gt; false, false -&gt; true) var elements = document.WisBundle.elements; for (var i = 0; i &lt; elements.length; i++) elements[i].checked = isAllChecked; document.WisBundle.amount.value = calculateAmount(); } function InitForm() { var elements = document.WisBundle.elements; for (i = 0; i &lt; elements.length; i++) if (elements[i].type == 'checkbox') elements[i].checked = false; document.WisBundle.amount.value = calculateAmount(); } &lt;/script&gt; </code></pre>
    singulars
    1. This table or related slice is empty.
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. VO
      singulars
      1. This table or related slice is empty.
    2. VO
      singulars
      1. This table or related slice is empty.
    3. VO
      singulars
      1. This table or related slice is empty.
 

Querying!

 
Guidance

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload