Loop through all elements with class 'blah' and find the highest id value

Question

I have a bunch of elements like:

..

I want to loop through all of them and get the highest

Answer 1

I think you need the second value the splitted ID, and you might want to convert the string to an integer, like this:

var newid = 0;

$(".blah").each(function() {

  var id = parseInt( this.id.split('-')[1], 10 );

  if( id > newid)
    newid = id;

});