How to add data attribute for options_from_collection_for_select in rails

Question

Consider this as my select tag

<%= select_tag \"post[brand_slug]\", options_from_collection_for_select(@products, \'slug\', \'name\'), prompt: \'select\' %>         


        

Answer 1

Try following:

<%= select_tag "post[brand_slug]", options_for_select(@products.map{ |product| [product.name, product.slug, { 'data-id' => product.id }] }), prompt: 'select' %>