ter" id="action-param-element"><span class="type-annotation">T</span> <span class="parameter-name">element</span></span>)</span>)
      
    </section>
    <section class="desc markdown">
      <p>Performs an action for each element of the iterable, in turn.</p>
<p>The <code>action</code> may be either synchronous or asynchronous.</p>
<p>Calls <code>action</code> with each element in <code>elements</code> in order.
If the call to <code>action</code> returns a <code>Future&lt;T&gt;</code>, the iteration wait