Move options from one dropdown to other using jQuery

Today while looking for a way to move options from one dropdown to other dropdown, onclick of some link or button, I discovered one easy and you can say most optimized way to do so. Please follow the same below.

Scenario:
Here suppose we have two dropdowns having id as dropdown1 and dropdown2. I want to move options from dropdown1 to dropdown2 onclick of a link as add and in reverse way on click on remove link I want to take options out from dropdown2 and put the same in dropdown1.

How to do it?
On click of add link we can give call to method as: moveOptions(dropdown1, dropdown2) and similarly on click of remove link we can call to method moveOptions(dropdown2, dropdown1). Mark here I just altered the position of the dropdowns in the method call.

So here goes the method.

function moveOptions(sourceId, sinkId){

     $("#" + sinkId).append($("#" + sourceId + " option:selected"));

}

This single line method will be enough to add and remove options from a dropdown and remove and add in other.
Calling the method:

<!-- First dropdown -->

<select id="dropdown1">

<option value="1">one</option>

<option value="2">two</option>

<option value="3">three</option>

</select>



<!-- Second dropdown -->

<select id="dropdown2">



</select>



<!-- Links to add and remove options -->

<p onclick=" moveOptions(dropdown1, dropdown2)">Add</p>

<p onclick=" moveOptions(dropdown2, dropdown1)">Remove</p>

Object Creation and init() method in ColdFusion

-- In ColdFusion we can create objects in three ways as: cfobject, createObject() and new().

-- The syntax for all three is as below:

1.

<cfobject component=”componentName” name=”objectName”>

2.

<cfscript>

                Variables.objectName = CreateObject(“component”, “componentName”);

</cfscript>

3.

<cfscript>

                Variables.objectName = New componentName(param1, param2,…);

</cfscript>

** Please Note **

The important thing to mention here is the first two methods don’t give call to init() method automatically if not called explicitly, whereas the last one looks for the existence of init() method in the component automatically during object creation and if found then it calls it and returns as per the returnvalue of init() method and if returntype is set to void then the object for the component is returned.