<%= label_tag "Name" %>
<%= text_field_tag "name" %>
<%= label_tag "Comment" %>
<%= text_area_tag "body" %>
<%= hidden_field_tag "article_id", article_id %>
<%= submit_tag %>

<%= label_tag "Name" %>
<%= text_field_tag "name" %>
<%= label_tag "Comment" %>
<%= text_area_tag "body", nil, rows: 15 %>
<%= hidden_field_tag "article_id", article_id %>
<%= submit_tag %>

Set height of the comment textarea
Set height of the comment textarea
