gist: 134325 - A bookmarklet to report the rev=canonical attribute if one exists, or alert if one does not.- GitHub


  
    
      shorten-bookmarklet.js #
    
    
      
      
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              /* bookmarklet for extracting rev=canonical if it exists, or simply notifying if one does not */
(function(){
  var url=document.location;
  var links=document.getElementsByTagName('link');
  var found=0;
  for(var i = 0, l; l = links[i]; i++) {
    if (l.getAttribute('rev') == 'canonical' || (/alternate short/).exec(l.getAttribute('rel'))) {
      found=l.getAttribute('href');
      break;
    }
  }
  if (!found) {
    for (var i = 0; l = document.links[i]; i++) {
      if (l.getAttribute('rev') == 'canonical') {
        found = l.getAttribute('href');
        break;
      }
    }
  }
  if (found) {
    prompt('URL:', found);
  } else {
        alert('No canonical url found.');
}
})();
Description:	A bookmarklet to report the rev=canonical attribute if one exists, or alert if one does not.
Public Clone URL:	git://gist.github.com/134325.git Give this clone URL to anyone. `git clone git://gist.github.com/134325.git gist-134325`
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