method
content_for?
v7.0.0 -
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Class: ActionView::Helpers::CaptureHelper
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- What's this?
content_for?(name)
public
content_for? checks whether any content has been captured yet using content_for. Useful to render parts of your layout differently based on what is in your views.
<%# This is the layout %> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>My Website</title> <%= yield :script %> </head> <body class="<%= content_for?(:right_col) ? 'two-column' : 'one-column' %>"> <%= yield %> <%= yield :right_col %> </body> </html>