JQuery drop down box application sample introduction

Realize two drop - down box data movement, append

 
$('#add').click(function(){ 
var $options = $('#select1 option:selected'); //Gets the selected item
var $remove = $options.remove(); 
$remove.appenTo('#select2'); 
}); 

Simplify the following

 
$('#add').click(function(){ 
var $options = $('#select1 option:selected'); //Gets the selected item
$remove.appenTo('#select2'); 
});