n><span class="token punctuation">,</span> <span class="token string">'Hello world!'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

  <span class="token comment">// QUnit DOM</span>
  assert<span class="token punctuation">.</span><span class="token function">dom</span><span class="token punctuation">(</span>button<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">hasText</span><span class="token punctuation">(