Ruby on Rails Interview Questions and Answers — Helpers — Part 4

• What are asset tag helpers, and how are they used to include CSS and JavaScript assets in views?
• How do you implement pagination using helper methods in Rails views?
• What is the number_to_currency helper, and how can you format currency in Rails views?
• How do you handle localization and internationalization (i18n) using Rails helper methods?
• Explain the role of Rails view helpers in improving code readability and maintainability.

16. What are asset tag helpers, and how are they used to include CSS and JavaScript assets in views?

Common Asset Tag Helpers

stylesheet_link_tag: This helper generates a link tag to include CSS stylesheets.

<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %>

• 'application' is the name of the CSS file without the .css extension.
• media: 'all' specifies the media attribute, defaulting to 'all'.
• 'data-turbolinks-track': 'reload' is an optional attribute for Turbolinks to track changes.