e is no direct
equivalent for <code>{{on}}</code>. You should instead write an action that gets the value
for you.</p>
<p>Before:</p>
<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>input</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token handlebars language-handlebars"><span c