JQUERY : Animation after fadeOut #fadeoutlast

anim.js

// The fadeOut() callback execute the function for each element. Sometimes we just need the function to be executed on the last element


lis = $('#menu li');
var i = lis.length;
lis.fadeOut(300, function(){
  if (!--i) {
    $('#element_to_animate').slideDown(300);
  }
});