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    <p>Performance-wise, I'd recommend a <code>span</code> hell.</p> <pre><code>&lt;span id="string"&gt;&lt;span id="h"&gt;12&lt;/span&gt;&lt;span class="h"&gt;h&lt;/span&gt;&lt;span id="m"&gt;12&lt;/span&gt;&lt;span class="m"&gt;m&lt;/span&gt;&lt;span id="s"&gt;12&lt;/span&gt;&lt;span class="s"&gt;s&lt;/span&gt;&lt;/span&gt; </code></pre> <p>One span for each <code>h</code>, <code>m</code> and <code>s</code> letters so you can style them properly (can apply either the same or different styling for each).</p> <p>And another span for each number so you can cache the references. In sum, here's a JS for a very simplistic local-time clock:</p> <pre><code>//cache number container element references var h = document.getElementById('h'), m = document.getElementById('m'), s = document.getElementById('s'), //IE feature detection textProp = h.textContent !== undefined ? 'textContent' : 'innerText'; function tick() { var date = new Date(), hours = date.getHours(), mins = date.getMinutes(), secs = date.getSeconds(); h[textProp] = hours &lt; 10 ? '0'+hours : hours; m[textProp] = mins &lt; 10 ? '0'+mins : mins; s[textProp] = secs &lt; 10 ? '0'+secs : secs; } tick(); setInterval(tick, 1000); </code></pre> <p><a href="http://jsfiddle.net/rsfax/2/" rel="noreferrer"><strong>Fiddle</strong></a></p> <p>This illustrates the basic idea of cached selectors. By not re-creating the elements, you also have a good performance boost.</p> <p>Though, once a second isn't very heavy work for something so simple (unless you have hundreds of clocks in your page).</p>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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