JavaScript: Accessing the selectedIndex of a dropdown list in RadGrid

Currently facing an issue with utilizing the RadGrid control from Telerik.

I am attempting to access and manipulate the value of a GridDropDowncolumn within RadGrid using JavaScript (while in edit mode). Does anyone have any suggestions for the correct JavaScript method to achieve this?

This is what my RadGrid GridDropDownColumn looks like:

                <telerik:GridDropDownColumn DataField="ProjectileTypeId" HeaderText="Projectile Type"
                 DataSourceID="ProjectileTypesDataSource" 
                 UniqueName="ProjectileType"
                 ListTextField="Name" ListValueField="Id" />

My current goal is to retrieve the selected index of the dropdown in JavaScript (during edit mode)

Here's what I currently have:

    var radGrid = $get("RadGrid1");
    var griddropdownlistElement = $telerik.findElement(radGrid, "ProjectileType");

However, I am uncertain about which JavaScript method should be used to set/get the value.

javascripttelerikradgrid

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