What does <%== %> do in rails erb?

Question

I saw this recently, thought it was interesting. But I don\'t really understand what it does?

Ex. I have a rails app and I want to bootstrap some json, so that I d

Answer 1

<%== is equivalent to raw.

From the Ruby on Rails Guide:

To insert something verbatim use the raw helper rather than calling html_safe:

<%= raw @cms.current_template %> <%# inserts @cms.current_template as is %>

or, equivalently, use <%==:

<%== @cms.current_template %> <%# inserts @cms.current_template as is %>

Answer 2

Rails actually uses Erubis instead of ERB, which supports a variety of other stuff.

<%== is exactly as you expect, though: It emits the value unescaped