Ruby on Rails: How do I add placeholder text to a f.text_field?

Question

How can I add placeholder text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the te

Answer 1

For those using Rails(4.2) Internationalization (I18n):

Set the placeholder attribute to true:

f.text_field :attr, placeholder: true

and in your local file (ie. en.yml):

en:
  helpers:
    placeholder:
      model_name:
        attr: "some placeholder text"