h class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>fcn</code></td><td class="type"><span class="param-type">function</span></td><td class="default"></td><td class="description last"><p>The function the animator runs and controls</p></td></tr><tr><td class="name"><code>steps</code></td><td class="type"><span class="param-type">number</span></td><td class="default"></td><td class="description last"><p>How many steps to run. Default is -1, forever</p></td></tr><tr><td class="name"><c