Given the following code:

<button>

echo selector result

</button>

<div>

DIV1

</div>

<div>

DIV2

</div>

<span>SPAN</span>

<script language="JavaScript" type="text/javascript">

$(function(){

------------

$("button").click(function(){

alert($("div").length);

$("div").each(function(i, elem){

alert((i + 1) + " - " + $(this).text());

});

});

------------

});

</script>

the result of found elements count is 3 in FF (works ok in IE : count is 2).