ters the service worker registration and returns a <code><a href="../../lime/app/Promise.html#Promise">Promise</a></code>. The service worker will finish any ongoing operations before it is unregistered.</p><p class="javadoc">Throws:</p><table class="table table-bordered params"><tr class="indent"><th style="width:25%;"><code>null</code></th><td><p>DOMError</p></td></tr></table></div></div><div class="field "><a name="update"></a><h3 class="anchor"><code><a href="#update"><span class="identifier">update</s