an class="w"> </span><span class="s1">&#39;this is a test&#39;</span>
<span class="kd">const</span><span class="w"> </span><span class="nx">gen</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">getVowels</span><span class="p">(</span><span class="nx">test</span><span class="p">)</span>
<span class="kd">let</span><span class="w"> </span><span class="nx">current</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">gen</span