k to  <code class="qm-code-highlight-code qm-code-font">setTimeout</code>  if  <code class="qm-code-highlight-code qm-code-font">requestAnimationFrame</code>  is unavailable. </div></div><div class="qm-api-group qm-api-arg-group"><div class="qm-api-group-header qm-api-arg-group-header qm-header-font">Arguments</div><div class="qm-api-item qm-api-javascript-arg qm-api-collapsible"><div class="qm-api-collapsible-heading"><div class="qm-api-collapsible-toggle"><i class="qm-api-chevron-icon"></i></div><div clas