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<feed xml:lang="en-us" xmlns="http://www.w3.org/2005/Atom"><title>Simon Willison's Weblog: kangax</title><link href="http://simonwillison.net/" rel="alternate"/><link href="http://simonwillison.net/tags/kangax.atom" rel="self"/><id>http://simonwillison.net/</id><updated>2010-04-11T22:03:39+00:00</updated><author><name>Simon Willison</name></author><entry><title>What's wrong with extending the DOM</title><link href="https://simonwillison.net/2010/Apr/11/extending/#atom-tag" rel="alternate"/><published>2010-04-11T22:03:39+00:00</published><updated>2010-04-11T22:03:39+00:00</updated><id>https://simonwillison.net/2010/Apr/11/extending/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://perfectionkills.com/whats-wrong-with-extending-the-dom/"&gt;What&amp;#x27;s wrong with extending the DOM&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Detailed explanation of the problems that crop up from extending built-in DOM objects using JavaScript, from Prototype developer kangax. Prototype 2.0 will be dropping this technique entirely—will MooTools follow suit?


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/javascript"&gt;javascript&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/kangax"&gt;kangax&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/monkeypatching"&gt;monkeypatching&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/mootools"&gt;mootools&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/prototype-js"&gt;prototype-js&lt;/a&gt;&lt;/p&gt;



</summary><category term="javascript"/><category term="kangax"/><category term="monkeypatching"/><category term="mootools"/><category term="prototype-js"/></entry></feed>