Question

If I have Checkboxes in page with IDs like below

a_chk1, a_chk2, a_chk3, b_chk1, b_chk2, b_chk3, c_chk1, c_chk2

If I want to retrieve checkboxes with ID starting with “a_”. The below code done my work

$(':checkbox').filter(function(){return $(this).prop('id').indexOf("a_") > -1;})

But it iterates through each checkbox and filters the required elements. But is there any possibility of iterating through only qualified elements.

Answer 1

You can let jQuery do all the work for you in the selector like this:

$(':checkbox[id^="a_"]')

Working demo here: http://jsfiddle.net/jfriend00/5qENn/