Rails escape_javascript creates invalid JSON by escaping single quotes

Question

The escape_javascript method in ActionView escapes the apostrophe \' as backslash apostrophe \\\', which gives errors when parsing as JSON.

For

Answer 1

Already there is an issue in github/rails https://github.com/rails/rails/issues/8844

Fix to mark the string as html_safe

<%= escape_javascript("I'm here".html_safe) %>

or even better you can sanitize the string

<%= sanitize(escape_javascript("I'm here")) %>
<%= escape_javascript(sanitize("I'm here")) %>