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    <p>Based on your code, I would add a wrapper around the check-box you want to select all/none and then give the wrapper id and inputs to select all or none.</p> <p><code>$('#list input[type="checkbox"]').attr('checked', false);</code></p> <p>or for jQuery 1.6+</p> <p><code>$('#list input[type="checkbox"]').prop('checked', false);</code></p> <p>This way, you can control all your checkboxes without affecting the "master" one.</p> <p>Here's the code:</p> <pre><code>&lt;script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; $(document).ready(function() { $('#checkAll').click(function() { if(!$('#master').is(':checked')) { return; } $('#list input[type="checkbox"]').attr('checked', true); }); $('#checkNone').click(function() { $('#list input[type="checkbox"]').attr('checked', false); }); $('#master').click(function() { if($('#master').is(':checked')) { return; } $('#list input[type="checkbox"]').attr('checked', false); }); $('#list input[type="checkbox"]').click(function() { if(!$('#master').is(':checked')) { $(this).attr('checked', false); } }); }); &lt;/script&gt; &lt;/head&gt; &lt;input type="checkbox" value="master" id="master"&gt;master &lt;span id="checkAll"&gt;All&lt;/span&gt; &lt;span id="checkNone"&gt;None&lt;/span&gt; &lt;div id="list"&gt; &lt;input type="checkbox" value="1"&gt;1 &lt;input type="checkbox" value="2"&gt;2 &lt;input type="checkbox" value="3"&gt;3 &lt;input type="checkbox" value="4"&gt;4 &lt;input type="checkbox" value="5"&gt;5 &lt;/div&gt; </code></pre>
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