ents = 200;
            loopCreateAndAppend(numElements, createDiv.bind(null, numElements), document.getElementById("aligner"));

            (function listenToResize() {
                var erd = elementResizeDetectorMaker({
                    strategy: "scroll"
                });
                console.time("install");
                erd.listenTo({
                    callOnAdd: false,
                    onReady: function onReady() {
                        console.timeEnd("install");
               