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	<title>JacksonDunstan.com &#187; JavaScript</title>
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	<link>http://jacksondunstan.com</link>
	<description>Mastering AS3</description>
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		<title>AS3 vs. JavaScript Performance Followup (June 2010)</title>
		<link>http://jacksondunstan.com/articles/712</link>
		<comments>http://jacksondunstan.com/articles/712#comments</comments>
		<pubDate>Mon, 28 Jun 2010 09:00:04 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=712</guid>
		<description><![CDATA[Version 5.0 of Safari was released on just a couple weeks ago on June 8 and Google Chrome was updated just a week before that. More importantly, to this site anyways, is the release of Flash Player 10.1 on June 10. Today&#8217;s article shows an updated performance comparison to check up on the progress being [...]]]></description>
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		<slash:comments>9</slash:comments>
		</item>
		<item>
		<title>Argument Clash</title>
		<link>http://jacksondunstan.com/articles/683</link>
		<comments>http://jacksondunstan.com/articles/683#comments</comments>
		<pubDate>Mon, 24 May 2010 09:00:08 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[arguments]]></category>
		<category><![CDATA[clash]]></category>
		<category><![CDATA[functions]]></category>
		<category><![CDATA[local]]></category>
		<category><![CDATA[parameters]]></category>
		<category><![CDATA[variables]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=683</guid>
		<description><![CDATA[I am often burned by MXMLC: the AS3 compiler. When I am, I find this infuriating and look for the reason why this happened. Today I&#8217;ll tip you off about this problem and delve into what it means if you happen to trigger it.

My issue arose when I wrote something similar to this:

function foo&#40;val:int&#41;: void
&#123;
 [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Cancelable Function</title>
		<link>http://jacksondunstan.com/articles/674</link>
		<comments>http://jacksondunstan.com/articles/674#comments</comments>
		<pubDate>Mon, 10 May 2010 09:00:01 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[callback]]></category>
		<category><![CDATA[cancel]]></category>
		<category><![CDATA[cancelable]]></category>
		<category><![CDATA[function]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=674</guid>
		<description><![CDATA[I recently had the need to cancel a callback function that I had passed to an API. The API had taken my callback function directly, so there was no way to remove the event listener. So I thought back to an old article I wrote and came up with a solution. Read on for a [...]]]></description>
		<wfw:commentRss>http://jacksondunstan.com/articles/674/feed</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>AS3 vs. JavaScript Performance Followup (March 2010)</title>
		<link>http://jacksondunstan.com/articles/618</link>
		<comments>http://jacksondunstan.com/articles/618#comments</comments>
		<pubDate>Wed, 03 Mar 2010 09:00:32 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=618</guid>
		<description><![CDATA[Version 10.5 of Opera was released today. Opera 10.0 last performance test made some small strides over 9.64, but it was still the slowest current version of the browser out of the whole test. Also, Google Chrome was updated on January 25th and Mozilla released Firefox 3.6 on January 21st. Today&#8217;s article shows an updated [...]]]></description>
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		<slash:comments>5</slash:comments>
		</item>
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		<title>Another Gotcha</title>
		<link>http://jacksondunstan.com/articles/569</link>
		<comments>http://jacksondunstan.com/articles/569#comments</comments>
		<pubDate>Tue, 26 Jan 2010 09:00:24 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[labels]]></category>
		<category><![CDATA[ternaries]]></category>
		<category><![CDATA[ternary operator]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=569</guid>
		<description><![CDATA[I&#8217;m back from a month off for winter break! Today I&#8217;ll start off with a very short article to ease back into things. Today I&#8217;ll cover a &#8220;gotcha&#8221; that got me recently and resulted in a bug report that was pretty tough to solve. Read on to see what it was.

Consider a multi-player game with [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
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		<title>AS3 vs. JavaScript Performance Test Followup</title>
		<link>http://jacksondunstan.com/articles/534</link>
		<comments>http://jacksondunstan.com/articles/534#comments</comments>
		<pubDate>Wed, 16 Dec 2009 09:00:57 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=534</guid>
		<description><![CDATA[Today&#8217;s article is a followup to an article I wrote in August comparing the performance of AS3 (Flash Player) and JavaScript (various browsers). Since then, two browsers have been updated to new versions and both have claimed speedups in their JavaScript implementations. Today&#8217;s article tests those new browser versions to see their speedups in the [...]]]></description>
		<wfw:commentRss>http://jacksondunstan.com/articles/534/feed</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
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		<title>For Vs. While</title>
		<link>http://jacksondunstan.com/articles/486</link>
		<comments>http://jacksondunstan.com/articles/486#comments</comments>
		<pubDate>Fri, 27 Nov 2009 09:00:19 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[loops]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[while]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=486</guid>
		<description><![CDATA[I&#8217;ve recently been seeing more and more usage of while loops by those who I presume are interested in performance. I&#8217;ve always assumed that these was not faster than for loops, but today I am finding out.

I was taught in school that for loops are syntax sugar one small step beyond while loops. That is, [...]]]></description>
		<wfw:commentRss>http://jacksondunstan.com/articles/486/feed</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Faster isNaN()</title>
		<link>http://jacksondunstan.com/articles/450</link>
		<comments>http://jacksondunstan.com/articles/450#comments</comments>
		<pubDate>Wed, 11 Nov 2009 09:00:16 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[nan]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=450</guid>
		<description><![CDATA[You cannot directly check if a value is NaN by comparing with it. AS3, AS2, and JavaScript therefore provide a useful isNaN() function to do this very check. However, it is very slow. Today I&#8217;ll show you a workaround that results in a faster isNaN():

Consider this bit of code

!&#40;val &#60;= 0&#41; &#38;&#38; !&#40;val &#62; 0&#41;

This [...]]]></description>
		<wfw:commentRss>http://jacksondunstan.com/articles/450/feed</wfw:commentRss>
		<slash:comments>14</slash:comments>
		</item>
		<item>
		<title>Flexible If Syntax</title>
		<link>http://jacksondunstan.com/articles/422</link>
		<comments>http://jacksondunstan.com/articles/422#comments</comments>
		<pubDate>Mon, 02 Nov 2009 09:00:48 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[booleans]]></category>
		<category><![CDATA[comma]]></category>
		<category><![CDATA[if]]></category>
		<category><![CDATA[operators]]></category>
		<category><![CDATA[syntax]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=422</guid>
		<description><![CDATA[This article is sort of a follow-up to my article on Flexible Loop Syntax. This was reported to my by a coworker who spotted the anomaly. I guess he had done with if the same sort of thing that I had done with for. Read on for a little insight into how the comma operator [...]]]></description>
		<wfw:commentRss>http://jacksondunstan.com/articles/422/feed</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Repeatable Random</title>
		<link>http://jacksondunstan.com/articles/393</link>
		<comments>http://jacksondunstan.com/articles/393#comments</comments>
		<pubDate>Wed, 21 Oct 2009 09:00:25 +0000</pubDate>
		<dc:creator>jackson</dc:creator>
				<category><![CDATA[AS2]]></category>
		<category><![CDATA[AS3]]></category>
		<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[random]]></category>

		<guid isPermaLink="false">http://jacksondunstan.com/?p=393</guid>
		<description><![CDATA[Everybody knows about Math.random(), and for good reason. It&#8217;s pretty much the way to get random numbers in AS3, AS2, and JavaScript other than bizarre alternatives like AS3&#8217;s BitmapData.noise(). However, it has one critical problem that arises when you want to repeat a certain test or prevent game cheaters from exploiting the randomizer until they [...]]]></description>
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		<slash:comments>7</slash:comments>
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