What is the best approach to search some text in body html

You should take a look at :

ranges:(to modify text without overwriting the complete body)

IE: http://msdn.microsoft.com/en-us/library/ms535872%28v=vs.85%29.aspx
Others: https://developer.mozilla.org/en/DOM/range

find()/findText()(to create the ranges)

IE: http://msdn.microsoft.com/en-us/library/ms536422%28v=vs.85%29.aspx
Others: https://developer.mozilla.org/en/DOM/window.find

(Opera doesn't support find or findText)

Regarding to that question a small modification:

<html>
<head>

  <script>
  function fx(a,b)
  {
    if(window.find)
    {
      while(window.find(a))
      {

        var rng=window.getSelection().getRangeAt(0);
        rng.deleteContents();

        rng.insertNode(document.createTextNode(b));

      }
    }
    else if(document.body.createTextRange)
    {
      var rng=document.body.createTextRange();
      while(rng.findText(a))
      {
        rng.pasteHTML(b);
      }
    }
  }
  </script>
</head>
<body onload="fx('I am in body...','Yes')">
<div>Oh <span>I </span>am in body...<i>, wonderful</i></div>
</body>
</html>

Tags:

Javascript

Jquery

Replace

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