jQuery: use filter(), but work with both results

Question

In jQuery, filter() reduces your result to those elements that fulfill a certain condition.

This splits the list in two parts. Working with the \"good

Answer 1

$.fn.if = function(cond, ontrue, onfalse) {
  this.each(function() {
    if (cond.apply(this)) ontrue.apply(this);
    else onfalse.apply(this);
  });
};

$('some selector').if(function() {
  // determine result
}, function() {
  // do something
}, function() {
  // do something else
});

I'm not sure it is much more readable than putting an if inside an each manually, though.