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Editorial Team

Asked: May 23, 20262026-05-23T03:52:33+00:00 2026-05-23T03:52:33+00:00

Possible Duplicate: How to iterate through a DOM tree? Could you advise me how

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Possible Duplicate:
How to iterate through a DOM tree?

Could you advise me how to write the following pseudocode in javascript?

for each child of <body>:
  if (tag.haschildren):
    for each tag.child:
       do some action;

thank you

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1 Answer

Editorial Team

2026-05-23T03:52:34+00:00Added an answer on May 23, 2026 at 3:52 am

var els = document.getElementsByTagName("*");
for (var i = 0, ii = els.length; i < ii; i++) {
  for (var j = 0, jj = els[i].childNodes.length; j < jj; j++) {
    action(els[i].childNodes[j]);
  }  
}

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