title: DOM button onblur event not fired on mac osx safari and firefox?
body: <p>I try to add "onblur" to a button node:</p>
  
  <p><a href="http://jsfiddle.net/kzfg0pdh/2/" rel="nofollow">http://jsfiddle.net/kzfg0pdh/2/</a></p>
  
  <pre><code>&lt;input type="button" onblur="console.log('blur');" value="button" /&gt;
  </code></pre>
  
  <p>but the handler doesn't work on Mac osx Safari &amp; Firefox.</p>
  
  <p>Browsers can work:
  Chrome 39.0.2171.99 Mac OS X 10_9_4 AppleWebKit/537.36
  Firefox 35 Windows 7</p>
  
  <p>Browsers can't work:
  Safari 7.0.5 Mac OS X 10_9_4 AppleWebKit/537.77.4
  Firefox 35 Mac OS X 10_9_4</p>