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POHow to add tr (row) with dynamic td (column) to table?
 

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  1. POHow to add tr (row) with dynamic td (column) to table?
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    <p>I have a question about dynamic <code>tr</code> with keep the content of <code>td</code>.</p> <p>I have a table like flowing code:</p> <pre><code>&lt;table id="map2"&gt; &lt;tr&gt; &lt;td class="15c"&gt;15&lt;/td&gt; &lt;td class="16c"&gt;16&lt;/td&gt; &lt;td class="17c"&gt;17&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="15c"&gt;15&lt;/td&gt; &lt;td class="16c"&gt;16&lt;/td&gt; &lt;td class="17c"&gt;17&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre> <p>I added some jQuery code that create a column dynamically. Like flowing code:</p> <pre><code>$('#map2').on('mouseenter', 'td:last-child', function(){ var tdClass = $(this).attr('class'); var newClass = parseInt(tdClass); if(newClass &lt;= 30) { $(this).after('&lt;td class="'+ (newClass+1) +'c"&gt;'+ (newClass+1) +'&lt;/td&gt;&lt;td class="'+ (newClass+2) +'c"&gt;'+ (newClass+2) +'&lt;/td&gt;&lt;td class="'+ (newClass+3) +'c"&gt;'+ (newClass+3) +'&lt;/td&gt;'); } else { alert('end!') } }); $('#map2').on('mouseenter', 'td:first-child', function(){ var tdClass = $(this).attr('class'); var newClass = parseInt(tdClass); if(newClass &gt;= 3) { $(this).before('&lt;td class="'+ (newClass-3) +'c"&gt;'+ (newClass-3) +'&lt;/td&gt;&lt;td class="'+ (newClass-2) +'c"&gt;'+ (newClass-2) +'&lt;/td&gt;&lt;td class="'+ (newClass-1) +'c"&gt;'+ (newClass-1) +'&lt;/td&gt;'); } else { alert('end!') } }); </code></pre> <p>That code create a <code>td</code> for me, now I want to create a <code>tr</code> (row) with keep the content. For example when the new row was created, that had content like before <code>td</code> in before <code>tr</code>. I tried some code like this:</p> <pre><code>$('#map2').on('mouseenter', 'tr:first-child', function(){ var trCont = $(this).html; // $(this).before('&lt;tr&gt;'+ trCont +'&lt;/tr&gt;'); $(this).before('&lt;tr&gt;&lt;td&gt;new row&lt;/td&gt;&lt;/tr&gt;'); }); </code></pre> <p>but didn't work. How can I solve this problem?</p> <p><a href="http://jsfiddle.net/H6MSS/2/" rel="nofollow noreferrer">http://jsfiddle.net/H6MSS/2/</a></p>
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    1. PTQuestion
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    1. USMohsen Rasouli
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    1. COTry `var trCont = $(this).html()`.
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      1. POHow to add tr (row) with dynamic td (column) to table?
      1. USandy
    2. COi try that but dident work. so i made it comment :(
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      1. POHow to add tr (row) with dynamic td (column) to table?
      1. USMohsen Rasouli
    3. CObut `$(this).html()` is a first step. because `$(this).html` would be an undefined property.
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      1. POHow to add tr (row) with dynamic td (column) to table?
      1. USandy
 

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