d selected. The first argument to the function is the data to update the element with. The second argument is the same element to be updated (the same element selected in the selection provided by &#39;this&#39;). The third argument is an index. </div><div class="qm-html-paragraph">This function is where most of the &#39;stuff&#39; should happen when working with views. enter() and exit() make sure that there are the right number of elements on the page. update actually updates the element with data. </div>