>length</code>.
Index zero represents the first element (so <code class="prettyprint lang-dart">iterable.elementAt(0)</code> is
equivalent to <code class="prettyprint lang-dart">iterable.first</code>).</p>
<p>May iterate through the elements in iteration order, skipping the
first <code class="prettyprint lang-dart">index</code> elements and returning the next.
Some iterable may have more efficient ways to find the element.</p>
    
    </section>

    <section class="summary source-code" id="source">
      