<% @upload_media_assets.each do |upload_media_asset| %> $(function() { let $el = $(".upload-media-asset-preview[data-id=<%= upload_media_asset.id %>]").get(0); let html = "<%= j render("upload_media_assets/preview", upload_media_asset: upload_media_asset, size: params.fetch(:size, 180)) %>"; morphdom($el, html); }); <% end %>