jQuery plugin packaged in a gem to disable/enable autocomplete on forms. Works with rails simple_form not disabling autocomplete.

Add this line to your application's Gemfile:

gem 'no-autocomplete-rails'

And then execute:

bundle install

Add to your application.js file:

//= require no-autocomplete-rails

To disable on document ready. Just add no_autocomplete: ""

<%= f.input :subject, input_html: { no_autocomplete: "" } %>

<%= f.input :subject, input_html: { id: "form-subject-input" %>

// Turn on
$("#form-subject-input").noAutocomplete();

// Toggle off
$("#form-subject-input").noAutocomplete({toggle: "off"});

// Toggle on
$("#form-subject-input").noAutocomplete({toggle: "on"});

Just copy the no-autocomplete-rails file from lib/assets/javascripts to wherever you want it.