Rails Ujs [ FULL ]
Rails UJS is a legacy JavaScript library (shipped with Rails 3–5 via jquery-ujs, then built into Rails 6 as a native module) that adds behavior to HTML elements without writing inline JS.
<%= link_to "Delete", post_path(@post), data: { confirm: "Delete this post?", method: :delete, remote: true } %> Rails UJS is deprecated as of Rails 7+, replaced by Turbo (Hotwire). For new projects, use Turbo Drive & Turbo Streams instead. rails ujs
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