Action View

Comprehensive guide to Rails views, templates, partials, layouts, and view helpers.

Templates

ERB Syntax

<%# Comment - not rendered %>

<% code %>        <%# Execute Ruby, no output %>
<%= expression %> <%# Output result (escaped) %>
<%== raw_html %>  <%# Output without escaping (use carefully) %>

<%- code -%>      <%# Suppress leading/trailing whitespace %>

Common ERB Patterns