[jQuery] Slightly OT: Datejs - jQuery-like date chaining

[jQuery] Slightly OT: Datejs - jQuery-like date chaining

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<font face="Arial">Just spotted this via Ajaxian:
<a class="moz-txt-link-freetext" href="http://www.datejs.com/">http://www.datejs.com/</a>
It's got jQuery-like syntax for working with dates:
</font><span class="co1">// What date is next thrusday?</span>
Date.<span class="me1">today</span><span class="br0">(</span><span
class="br0">)</span>.<span class="me1">next</span><span class="br0">(</span><span
class="br0">)</span>.<span class="me1">thursday</span><span class="br0">(</span><span
class="br0">)</span>;
 
<span class="co1">// Add 3 days to Today</span>
Date.<span class="me1">today</span><span class="br0">(</span><span
class="br0">)</span>.<span class="me1">add</span><span class="br0">(</span><span
class="nu0">3</span><span class="br0">)</span>.<span class="me1">days</span><span
class="br0">(</span><span class="br0">)</span>;
 
<span class="co1">// Is today Friday?</span>
Date.<span class="me1">today</span><span class="br0">(</span><span
class="br0">)</span>.<span class="kw1">is</span><span class="br0">(</span><span
class="br0">)</span>.<span class="me1">friday</span><span class="br0">(</span><span
class="br0">)</span>;
 
<span class="co1">// Set to 8:30 AM on the 15th day of the month</span>
Date.<span class="me1">today</span><span class="br0">(</span><span
class="br0">)</span>.<span class="me1">set</span><span class="br0">(</span><span
class="br0">{</span> day: <span class="nu0">15</span>, hour: <span
class="nu0">8</span>, mintue: <span class="nu0">30</span> <span
class="br0">}</span><span class="br0">)</span>;
<font face="Arial">Unfortunately it splooges methods and properties all
over the Date and Number prototypes and objects, but this got me
thinking...
Would it be possible to implement things like this with jQuery?
Currently plugins add their methods to $.fn, however what if we could
add other "plugin namespaces" such as $.date where methods could be
added and then have some way of telling jQuery which plugin namespace
to use?
You could possibly have:
$.date("tomorrow").is().friday(); // is tomorrow friday?
Guy</font>
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