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  1. POUncheck last checkbox in td to enable other checkbox
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    <p>How to make this work? When Bar is unchecked, others input checkbox remove disabled in each td? I am a beginner in Jquery :)</p> <p>The original code is taken from <a href="https://stackoverflow.com/questions/11240672/jquery-check-and-disable-checkbox-on-checking-another-checkbox">Original code</a></p> <pre><code>&lt;table border="1" id="re"&gt; &lt;tr&gt; &lt;td class="class1"&gt;&lt;input type=checkbox disabled="disabled" value="ss"/&gt;ss&lt;/td&gt; &lt;td class="class1"&gt;&lt;input type=checkbox disabled="disabled" value="aa"/&gt;aa&lt;/td&gt; &lt;td class="class1"&gt;&lt;input type=checkbox disabled="disabled" value="dd"/&gt;dd&lt;/td&gt;&lt;td class="class1"&gt;&lt;input type=checkbox checked="checked" value="bar"/&gt;Bar&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="ss"/&gt;ss&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="aa"/&gt;aa&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="dd"/&gt;dd&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox checked="checked" value="bar"/&gt;Bar &lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="ss"/&gt;ss&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="aa"/&gt;aa&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox disabled="disabled" value="dd"/&gt;dd&lt;/td&gt;&lt;td class="class1"&gt; &lt;input type=checkbox checked="checked" value="bar"/&gt;Bar &lt;/td&gt;&lt;/tr&gt; &lt;/table&gt; $('.class1 input:last-of-type').live('change', function () { var n = $(this).siblings('input:checkbox'); if (!$(this).attr('checked')) { n.attr('disabled',false); } else { n.attr('disabled', true); } }); </code></pre>
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