I have a set of the span tags like .
<span id="q_1" >D1</span> <span id="q_2" >D2</span> <span id="q_3" >D3</span> How can i get the ids of the span tags with the help of the jquery.The numbers 1,2,3 are generated run time.so the basic structure that i have is
<span id="q_" ></span> 
$("span").each(function(){ var thisId = $(this).attr('id'); // Do whatever you want with the Id, and go on to the next one. }); :)
$('span').each(function(){ alert($(this).attr('id')); }); I have a feeling you're actually asking how to select all elements that have an id that starts with "q_". If so, the simplest way to do so is like this:
var qSpans = $('span[id^="q_"]'); 
to get an array if ids:
var a = $.map($('span'), function(s){ return s.id; }); 
$('span'); Will find all spans.
$('span').filter(function() { return (/^q\_\d+$/i).test($(this).attr('id')); }); Or only spans who's id matches the format
