JavaScript/jQuery - grabbing an integer from an element's id

Question

From the following markup.

    Somewhere
    Somewher         


        

      

Answer 1

I usually do something like this:

$("#my-div a").click(function(){
    var match;
    if (match = $(this).attr('id').match(/link-(\d+)/)) {
      var number = parseInt(match[1],10);
      alert(number);
    }
});