Replace input select with jquery ui autocomplete

example1.cs.coffee

asd = -> 
    $('.shipping').each ->
        option = []     
        $(this).find('option').each ->     
            option.push $(this).text()
        
        input = $('<input>')
        input.attr('type','text')
        input.attr('name', $(this).attr('name') )
        input.attr('id', $(this).attr('id') )  
        input.attr('class', $(this).attr('class') )        

        $(this).replaceWith(input)
            
        $(input).autocomplete({
            source: option
        });            
asd()​​​

example1.html

Shipping method:
<select id='shp_id' class='shipping' name="shipping_name">
 <option value="1"> standard</option>
 <option value="2"> 2-day</option>
 <option value="3"> overnight</option>
</select>
<br />
​