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    <p>This script below should put you on the right track perhaps?</p> <p>You can keep this html the same (though I changed the method to POST):</p> <pre><code>&lt;form method="POST" id="subscribeForm"&gt; &lt;fieldset id="cbgroup"&gt; &lt;div&gt;&lt;input name="list" id="list0" type="checkbox" value="newsletter0" &gt;zero&lt;/div&gt; &lt;div&gt;&lt;input name="list" id="list1" type="checkbox" value="newsletter1" &gt;one&lt;/div&gt; &lt;div&gt;&lt;input name="list" id="list2" type="checkbox" value="newsletter2" &gt;two&lt;/div&gt; &lt;/fieldset&gt; &lt;input name="submit" type="submit" value="submit"&gt; &lt;/form&gt; </code></pre> <p>and this javascript validates</p> <pre><code>function onSubmit() { var fields = $("input[name='list']").serializeArray(); if (fields.length === 0) { alert('nothing selected'); // cancel submit return false; } else { alert(fields.length + " items selected"); } } // register event on form, not submit button $('#subscribeForm').submit(onSubmit) </code></pre> <p>and you can find a <a href="http://jsfiddle.net/evildonald/qsBKy/1/" rel="nofollow noreferrer">working example of it here</a></p> <p><strong>UPDATE (Oct 2012)</strong><br> Additionally it should be noted that the checkboxes <em>must</em> have a "name" property, or else they will not be added to the array. Only having "id" will not work.</p> <p><strong>UPDATE (May 2013)</strong><br> Moved the submit registration to javascript and registered the submit onto the form (as it should have been originally)</p> <p><strong>UPDATE (June 2016)</strong><br> Changes == to ===</p>
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    1. POHow to validate a form with multiple checkboxes to have atleast one checked
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    1. COWhy use `onsubmit` (on the button instead of the form, no less!) instead of `$('form').submit(function() {...})`?
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    2. COEr, should be `$('#subscribeForm').submit(...)`
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    3. COThis works, but as I should have made more clear in my original question, I'm trying to use the validate plugin because the actual form is more complex and I'm trying to validate a bunch of other stuff. The other fields are validating just fine; it's just the checkbox group that's problematic. So, really, my question is whether I can get the validate plugin to do something like this.
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