to the page. The default behaviour is to add a new element (the type of which is specified when selection.view(...) is called), and to add the class to it, if a class selector was used as the first argument to selection.view(...). </div><div class="qm-html-paragraph">The above probably makes no sense at all, so here is an example to show what the default behaviour is effectively doing: </div><div class="qm-html-paragraph"><div class="qm-code-highlight-codeblock language-js"><pre><code class="qm-code-font">v