>Asynchronous methods and transitions</h4>

<p>All API methods are <strong>asynchronous</strong> and start a <strong>transition</strong>. They return to the caller as soon as the transition is started but <strong>before it ends</strong>. In addition, a method call on a <strong>transitioning component will be ignored</strong>.</p>

<p><a href="/docs/4.0/getting-started/javascript/">See our JavaScript documentation for more information.</a></p>
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<h4 id="tab">$().tab</h4>

<p>Activates a tab element and