Roblox Lua

More events.

local n=0
local m=Instance.new("Message",game.Workspace)

script.ChildAdded:connect(function(e)
    wait()
    local k
    k=e.AncestryChanged:connect(function()
        wait()
        k:disconnect()
        e.Parent=script
    end)
    m.Text="Hi! "..n
    n=n+1
    e.Parent=game.Workspace
end)
Instance.new("IntValue",script)

Creates an IntValue as a child of the current script and then uses events to endlessly move it back and forth between the script and the workspace while producing output via a Message instance.