jQuery - onPage search like a browser

I try to make onpage searches like in modern browsers with STRG + F. I tried:

$("#mydiv").find(':contains(\'mySearchString\'开发者_Python百科)').prepend('found you!');

The problem is that jQuery adds found you multiple times, bedause there are multipile elements who has the string. Example:

Found you<div>
   Found you<ul>
      Found you<li>
         Found you<a>mySearchString</a>
      </li>
   </ul>
</div>

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$('#mydiv').find(':contains(\'mySearchString\')').contents().filter(function(){return this.nodeType == Node.TEXT_NODE}).prepend('found you!');

would only select the last inner text node. If you are using IE, use the constant 3 instead of Node.TEXT_NODE.

---

You could do:

$("#mydiv").find(':contains(\'mySearchString\')').eq(0).prepend('found you!');

to single out the first match.

Otherwise you could just say it works like Google Chrome, which highlights all search matches immediately ;)