 for <code>{{action}}</code> when it is used as a modifier:</p>
<pre class="language-handlebars line-numbers"><code class="handlebars language-handlebars"><span class="token comment">&lt;!-- Before --></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name"><span class="token handlebars language-handlebars"><span class="token delimiter punctuation">{{</span><span class="token variable">action</span> <span class="token stri