gistfile1.js

for (stuff in things)
{
    var foo = stuff.thing;
    stuff.bar = function()
    {
        foo.bash(); //Probably not what you wanted!
    };

    //because all life problems can be solved with a little less readability
    function()
    {
        var foo = stuff.thing;
        stuff.bar = function()
        {
            foo.bash();
        };
    }();
}

//http://www.lua.org/