Created
March 19, 2012 10:44
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| document.body.addEventListener('error', function(event) { | |
| if ( event.target.nodeName.toLowerCase() == 'img' ) { | |
| // an image on the page failed to load | |
| } | |
| }, true); |
Interesting... but if you're testing enough elements to see a real world difference, you've probably got bigger problems.
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You might consider testing the tag's name with regular expressions for better performance (see jsperf tests here and here).