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    <p>You aren't toggling the <code>tr</code> itself, only its siblings (with class <code>.RegText</code> and <code>.VolumeRegText</code>). You therefore have to check if these are visible when you are storing the state in the array. For this you can use <code>.is(":hidden")</code> on one of the siblings. The click function would then look like this</p> <pre><code>$('tr.subCategory1') .css("cursor", "pointer") .attr("title", "Click to expand/collapse") .click(function() { $(this).siblings('.RegText').toggle(); var isHidden = $(this).siblings('.VolumeRegText').toggle().is(':hidden'); list_Visible_Ids[$(this).attr('id')] = !isHidden ? 1 : null; }); </code></pre> <hr /> <p>There is also a lot to comment on the rest of the code. In</p> <pre><code>$('tr[@class^=RegText]').hide().children('td'); </code></pre> <p>skip the <code>.children('td')</code>, as you aren't using this selection.</p> <hr /> <p><code>list_Visible_Ids = [];</code> should be declared using <code>var</code>.</p> <p><hr /> Looping through <code>idsArray</code>, you are checking <code>this != "" || this != null)</code>, which should be using <code>&amp;&amp;</code> instead of <code>||</code>.</p> <pre><code>$.each(idsArray, function() { if (this != "" &amp;&amp; this != null) { $('#' + this).siblings('.RegText').toggle(); list_Visible_Ids[this] = 1; } }); </code></pre> <p>There's also really no point in using the <code>$.each()</code> function instead of a regular JavaScript for-loop</p> <p><hr /> It also seems you are using an old version of jQuery, since using the <code>@</code> in selectors was deprecated in <a href="http://docs.jquery.com/Release:jQuery_1.3" rel="nofollow noreferrer">version 1.3</a>.</p>
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    1. POHow to store <TR> id value in array, when I toggle?
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    1. USSimen Echholt
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    1. POHow to store <TR> id value in array, when I toggle?
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    1. COThanks Simen, you said @ in selectors was deprecated. How can I replace in my code for 1.3 or 1.4 version.?
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      1. USJames123
    2. COJust remove the @ and it'll work like before. You should probably look through the changelog to see if anything else depricated is being used, too
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      1. USSimen Echholt
 

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