jQuery find() map result

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jQuery find() map result

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<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  var treeTraversal = $("div").find("p, span").map(function(){
            return this.tagName;})//from w  ww.j  a va  2 s  .c  om
      .get().join(", ");
  $("div").after("<h2>" + treeTraversal + "<h2>");
});
</script>
</head>

<body>
  <div> This is a div element. My children are:
    <p>
      <span><span>
      </span></span>
    </p>
  </div>
</body>
</html>



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