How to find the count of elements using jQuery

Question

I have a span tag and that holds some n number of span tags.. can I get the number of span tags available with in the parent span using Jquery.

example:

<span class="x">
    <span id="1">one</span>
    <span id="2">two</span>
    <span id="3">three</span>
</span>

now i should find the count of number of span tags inside the parent span and my output is 3 according to the above scenario.

please help me..

Answer 1

my version :)

$('span.x > span').length

Answer 2

$("span.x").children("span").size()

Demo: http://jsfiddle.net/AZXv3/