Ruby on Rails

Is there any body who can explain the differences between using "standard HTML" and "content_tag"?

在 2013年8月14日星期三UTC+8上午5时27分08秒，Ruby-Forum.com User写道：

kanna wrote in post #1118570:
> Hi
>
> i tried content_tag inside content_tag bu its not working
>
> <%= content_tag(:h1,"Arrange"+content_tag(:span,"Demo"))%>
>
> i want like this type
>
> <h1>Arrange <span>Demo</span></h1>
>
>
>More readably (IMO):
>
> <%= content_tag :h1 do %>
>   Arrange <%= content_tag :span, 'Demo' %>
> <% end %>

What's wrong with just using standard HTML:

<h1>Arrange <span>Demo</span></h1>

Not sure how a bunch of nested content_tag() are 'more readable' than
that.

Personally i hate the content_tag method. It just obfuscates your DOM.

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