pan> <span class="n">b</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="n">a</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="k">return</span> <span class="n">b</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>
</code></pre></div></div>

<p><strong>Avoid "chaining" calls</strong>, where many functions call each other in a
chain with