Question

I have an jquery script to generate a caption for images.
But now I want to count the elements with the caption an add the appropriate number as a class to the image class.
I know how I could count (.length) but how can i use the appropriate number from every element?

http://jsbin.com/ugemih/6/edit#javascript,html,live

BR

Answer 1

Pass a variable to the function passed to each() and it will hold the current element’s number:

$('.foo').each(function (i) {
    $(this).addClass('foo-' + i);
});