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POChanging the border on table without causing a table to resize
 

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    <p>I asked a <a href="https://stackoverflow.com/questions/13496559/how-can-a-html-table-highlight-columns-by-changing-the-border-on-hover">question</a> earlier about a way of highlighting tables using <code>JavaScript</code> and `CSS. I'm having difficulty ensuring that the borders of the table look ok.</p> <p>For example, in my table border I have set the margin to be <code>0</code>. When hovering on a column, the increased border size causes the overall table to "jump" slightly. To prevent this I tried to resize the table cells but this does not make a difference.</p> <p><img src="https://i.stack.imgur.com/ifkqM.png" alt="enter image description here"> <img src="https://i.stack.imgur.com/1yUfn.png" alt="enter image description here"></p> <p>I'm illustrating the problem with a JSFiddle here: <a href="http://jsfiddle.net/grNr8/6/" rel="nofollow noreferrer">http://jsfiddle.net/grNr8/6/</a>. It's a little hard to see in these images but hopefully the fiddle illustrates the issue.</p> <p>My <code>CSS</code> is the following:</p> <pre><code>table, td { background-color: white; border: 0px solid white; border-collapse: collapse; } </code></pre> <p>When highlighting the column, a border of pixel thickness <code>2</code> is chosen. I tried experimenting with changing the cell size using <code>$('td').css({height: '29px'});</code> (and varying from <code>26 - 29</code>) but it does not change the effect. The <code>Javascript</code> I am using to highlight is based mainly on an answer to my previous question:</p> <pre><code>$('td').hover(function() { var t = parseInt($(this).index()) + 1; $('td:nth-child(' + t + ')').first().addClass('highlightedTop'); $('td:nth-child(' + t + ')').addClass('highlighted') $('td:nth-child(' + t + ')').last().removeClass('highlighted').addClass('x'); $('td').css({ height: '39px' }); if (t &gt; 1) { var t1 = t - 1; $('td:nth-child(' + t1 + ')').addClass('highlightedPrev'); $('td:nth-child(' + t1 + ')').last().removeClass('highlightedPrev'); } }, function() { var t = parseInt($(this).index()) + 1; $('td:nth-child(' + t + ')').removeClass('highlighted '); $('td:nth-child(' + t + ')').first().removeClass('highlightedTop'); $('td:nth-child(' + t + ')').last().removeClass('highlightedBottom'); $('td:nth-child(' + t + ')').last().removeClass('x'); if (t &gt; 1) { var t1 = t - 1; $('td:nth-child(' + t1 + ')').removeClass('highlightedPrev'); } });​ </code></pre> <p>Is it possible to resize the cells for smoother viewing, or should I be using a different approach? I have experimented with using a white border thickness of <code>1px</code> but I end up with strange joins at the corners and un-symmetric borders at the extremities.</p>
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    1. COIs using `outline` an option? The down side is that all 4 sides must have a stroke applied to them, but the up side is that it doesn't impact the element's width like border does.
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    2. COYes - it could be (I was not aware of it). Can it be used with a table?
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    3. COWorks on just about anything.
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