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Posted By

noah on 07/14/07


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search html DOM name utilities sanitycheck


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Find doubled IDs in the DOM

 / Published in: JavaScript
 
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  1. var allTags = document.body.getElementsByTagName('*');
  2. var ids = {};
  3. var doubledIds = [];
  4. for (var tg = 0; tg< allTags.length; tg++) {
  5.     var tag = allTags[tg];
  6.     if (tag.id) {
  7.         if (! ids[tag.id]) {
  8.             ids[tag.id] = true;
  9.         } else {
  10.             doubledIds.push(tag.id);
  11.         }
  12.      }   
  13. }
  14. alert('doubled ids: ' + doubledIds);

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