some random js class containing DOM

circle.js

function Circle()
{
    var _circle;

    function init()
        {
        _circle = $('<div class="circle"></div>');
        $('body').append(_circle);
    }

    function getDOM()
    {
        return _circle;
    }
	
    return {
        init: init,
        getDOM: getDOM
    };
}

index.html

<script src="/js/circle.js"></script>
<script type="application/javascript">
    $(function() {
        var circles = [];

        for (var i = 0; i < 10; i++) {
            var circle = new Circle();
            circle.init();
            circles.push(circle);
        }

        $.each(circles, function(i) {
            this.getDOM().on('click', function() {
                alert('much click: ' + i);
            });
        });
    });
</script>