lass="ribbon"></div><span>app/components/simple-button.hbs</span><pre class="language-handlebars line-numbers"><code class="handlebars language-handlebars"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span>
  <span class="token attr-name">data-test-button</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token handlebars language-handlebars"><span class="token delimiter punctuation">{{</span><span class