method

html_escape

v2.3.8 - Show latest stable - Class: ERB::Util

html_escape(s)

public

A utility method for escaping HTML tag characters. This method is also aliased as h.

In your ERb templates, use this method to escape any unsafe content. For example:

  <%=h @person.name %>

Example:

  puts html_escape("is a > 0 & a < 10?")
  # => is a &gt; 0 &amp; a &lt; 10?

# File activesupport/lib/active_support/core_ext/string/output_safety.rb, line 17
    def html_escape(s)
      s = s.to_s
      if s.html_safe?
        s
      else
        s.gsub(/[&"><]/) { |special| HTML_ESCAPE[special] }.html_safe
      end
    end

1Note

the correct return value of html_escape in example above

allenb · Aug 23, 2011

the correct return is:

html_escape

Example:

1Note

the correct return value of html_escape in example above

=> is a > 0 & a < 10?

Related methods