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Provides a number of methods for creating form tags that don't rely on an Active Record object assigned to the template like FormHelper does. Instead, you provide the names and values manually.

NOTE: The HTML options disabled, readonly, and multiple can all be treated as booleans. So specifying disabled: true will give disabled="disabled".

Methods
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Included Modules
Instance Public methods
button_tag(content_or_options = nil, options = nil, &block)

Creates a button element that defines a submit button, resetbutton or a generic button which can be used in JavaScript, for example. You can use the button tag as a regular submit tag but it isn't supported in legacy browsers. However, the button tag allows richer labels such as images and emphasis, so this helper will also accept a block.

Options

  • :data - This option can be used to add custom data attributes.

  • :disabled - If true, the user will not be able to use this input.

  • Any other key creates standard HTML options for the tag.

Data attributes

  • confirm: 'question?' - If present, the unobtrusive JavaScript drivers will provide a prompt with the question specified. If the user accepts, the form is processed normally, otherwise no action is taken.

  • :disable_with - Value of this parameter will be used as the value for a disabled version of the submit button when the form is submitted. This feature is provided by the unobtrusive JavaScript driver.

Examples

button_tag
# => <button name="button" type="submit">Button</button>

button_tag(type: 'button') do
  content_tag(:strong, 'Ask me!')
end
# => <button name="button" type="button">
#     <strong>Ask me!</strong>
#    </button>

button_tag "Checkout", data: { disable_with: "Please wait..." }
# => <button data-disable-with="Please wait..." name="button" type="submit">Checkout</button>
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 484
def button_tag(content_or_options = nil, options = nil, &block)
  if content_or_options.is_a? Hash
    options = content_or_options
  else
    options ||= {}
  end

  options = { 'name' => 'button', 'type' => 'submit' }.merge!(options.stringify_keys)

  if block_given?
    content_tag :button, options, &block
  else
    content_tag :button, content_or_options || 'Button', options
  end
end
check_box_tag(name, value = "1", checked = false, options = {})

Creates a check box form input tag.

Options

  • :disabled - If set to true, the user will not be able to use this input.

  • Any other key creates standard HTML options for the tag.

Examples

check_box_tag 'accept'
# => <input id="accept" name="accept" type="checkbox" value="1" />

check_box_tag 'rock', 'rock music'
# => <input id="rock" name="rock" type="checkbox" value="rock music" />

check_box_tag 'receive_email', 'yes', true
# => <input checked="checked" id="receive_email" name="receive_email" type="checkbox" value="yes" />

check_box_tag 'tos', 'yes', false, class: 'accept_tos'
# => <input class="accept_tos" id="tos" name="tos" type="checkbox" value="yes" />

check_box_tag 'eula', 'accepted', false, disabled: true
# => <input disabled="disabled" id="eula" name="eula" type="checkbox" value="accepted" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 371
def check_box_tag(name, value = "1", checked = false, options = {})
  html_options = { "type" => "checkbox", "name" => name, "id" => sanitize_to_id(name), "value" => value }.update(options.stringify_keys)
  html_options["checked"] = "checked" if checked
  tag :input, html_options
end
color_field_tag(name, value = nil, options = {})

Creates a text field of type “color”.

Options

  • Accepts the same options as text_field_tag.

Examples

color_field_tag 'name'
# => <input id="name" name="name" type="color" />

color_field_tag 'color', '#DEF726'
# => <input id="color" name="color" type="color" value="#DEF726" />

color_field_tag 'color', nil, class: 'special_input'
# => <input class="special_input" id="color" name="color" type="color" />

color_field_tag 'color', '#DEF726', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="color" name="color" type="color" value="#DEF726" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 579
def color_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :color))
end
date_field_tag(name, value = nil, options = {})

Creates a text field of type “date”.

Options

  • Accepts the same options as text_field_tag.

Examples

date_field_tag 'name'
# => <input id="name" name="name" type="date" />

date_field_tag 'date', '01/01/2014'
# => <input id="date" name="date" type="date" value="01/01/2014" />

date_field_tag 'date', nil, class: 'special_input'
# => <input class="special_input" id="date" name="date" type="date" />

date_field_tag 'date', '01/01/2014', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="date" name="date" type="date" value="01/01/2014" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 643
def date_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :date))
end
datetime_field_tag(name, value = nil, options = {})

Creates a text field of type “datetime”.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 665
def datetime_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :datetime))
end
datetime_local_field_tag(name, value = nil, options = {})

Creates a text field of type “datetime-local”.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 676
def datetime_local_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: 'datetime-local'))
end
email_field_tag(name, value = nil, options = {})

Creates a text field of type “email”.

Options

  • Accepts the same options as text_field_tag.

Examples

email_field_tag 'name'
# => <input id="name" name="name" type="email" />

email_field_tag 'email', 'email@example.com'
# => <input id="email" name="email" type="email" value="email@example.com" />

email_field_tag 'email', nil, class: 'special_input'
# => <input class="special_input" id="email" name="email" type="email" />

email_field_tag 'email', 'email@example.com', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="email" name="email" type="email" value="email@example.com" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 740
def email_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :email))
end
field_set_tag(legend = nil, options = nil, &block)

Creates a field set for grouping HTML form elements.

legend will become the fieldset's title (optional as per W3C). options accept the same values as tag.

Examples

<%= field_set_tag do %>
  <p><%= text_field_tag 'name' %></p>
<% end %>
# => <fieldset><p><input id="name" name="name" type="text" /></p></fieldset>

<%= field_set_tag 'Your details' do %>
  <p><%= text_field_tag 'name' %></p>
<% end %>
# => <fieldset><legend>Your details</legend><p><input id="name" name="name" type="text" /></p></fieldset>

<%= field_set_tag nil, class: 'format' do %>
  <p><%= text_field_tag 'name' %></p>
<% end %>
# => <fieldset class="format"><p><input id="name" name="name" type="text" /></p></fieldset>
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 555
def field_set_tag(legend = nil, options = nil, &block)
  output = tag(:fieldset, options, true)
  output.safe_concat(content_tag(:legend, legend)) unless legend.blank?
  output.concat(capture(&block)) if block_given?
  output.safe_concat("</fieldset>")
end
file_field_tag(name, options = {})

Creates a file upload field. If you are using file uploads then you will also need to set the multipart option for the form tag:

<%= form_tag '/upload', multipart: true do %>
  <label for="file">File to Upload</label> <%= file_field_tag "file" %>
  <%= submit_tag %>
<% end %>

The specified URL will then be passed a File object containing the selected file, or if the field was left blank, a StringIO object.

Options

  • Creates standard HTML attributes for the tag.

  • :disabled - If set to true, the user will not be able to use this input.

  • :multiple - If set to true, *in most updated browsers* the user will be allowed to select multiple files.

  • :accept - If set to one or multiple mime-types, the user will be suggested a filter when choosing a file. You still need to set up model validations.

Examples

file_field_tag 'attachment'
# => <input id="attachment" name="attachment" type="file" />

file_field_tag 'avatar', class: 'profile_input'
# => <input class="profile_input" id="avatar" name="avatar" type="file" />

file_field_tag 'picture', disabled: true
# => <input disabled="disabled" id="picture" name="picture" type="file" />

file_field_tag 'resume', value: '~/resume.doc'
# => <input id="resume" name="resume" type="file" value="~/resume.doc" />

file_field_tag 'user_pic', accept: 'image/png,image/gif,image/jpeg'
# => <input accept="image/png,image/gif,image/jpeg" id="user_pic" name="user_pic" type="file" />

file_field_tag 'file', accept: 'text/html', class: 'upload', value: 'index.html'
# => <input accept="text/html" class="upload" id="file" name="file" type="file" value="index.html" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 271
def file_field_tag(name, options = {})
  text_field_tag(name, nil, options.merge(type: :file))
end
form_tag(url_for_options = {}, options = {}, &block)

Starts a form tag that points the action to an url configured with url_for_options just like ActionController::Base#url_for. The method for the form defaults to POST.

Options

  • :multipart - If set to true, the enctype is set to “multipart/form-data”.

  • :method - The method to use when submitting the form, usually either “get” or “post”. If “patch”, “put”, “delete”, or another verb is used, a hidden input with name _method is added to simulate the verb over post.

  • :authenticity_token - Authenticity token to use in the form. Use only if you need to pass custom authenticity token string, or to not add authenticity_token field at all (by passing false). Remote forms may omit the embedded authenticity token by setting config.action_view.embed_authenticity_token_in_remote_forms = false. This is helpful when you're fragment-caching the form. Remote forms get the authenticity token from the meta tag, so embedding is unnecessary unless you support browsers without JavaScript.

  • :remote - If set to true, will allow the Unobtrusive JavaScript drivers to control the submit behavior. By default this behavior is an ajax submit.

  • :enforce_utf8 - If set to false, a hidden input with name utf8 is not output.

  • Any other key creates standard HTML attributes for the tag.

Examples

form_tag('/posts')
# => <form action="/posts" method="post">

form_tag('/posts/1', method: :put)
# => <form action="/posts/1" method="post"> ... <input name="_method" type="hidden" value="put" /> ...

form_tag('/upload', multipart: true)
# => <form action="/upload" method="post" enctype="multipart/form-data">

<%= form_tag('/posts') do -%>
  <div><%= submit_tag 'Save' %></div>
<% end -%>
# => <form action="/posts" method="post"><div><input type="submit" name="commit" value="Save" /></div></form>

<%= form_tag('/posts', remote: true) %>
# => <form action="/posts" method="post" data-remote="true">

form_tag('http://far.away.com/form', authenticity_token: false)
# form without authenticity token

form_tag('http://far.away.com/form', authenticity_token: "cf50faa3fe97702ca1ae")
# form with custom authenticity token
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 67
def form_tag(url_for_options = {}, options = {}, &block)
  html_options = html_options_for_form(url_for_options, options)
  if block_given?
    form_tag_with_body(html_options, capture(&block))
  else
    form_tag_html(html_options)
  end
end
hidden_field_tag(name, value = nil, options = {})

Creates a hidden form input field used to transmit data that would be lost due to HTTP's statelessness or data that should be hidden from the user.

Options

  • Creates standard HTML attributes for the tag.

Examples

hidden_field_tag 'tags_list'
# => <input id="tags_list" name="tags_list" type="hidden" />

hidden_field_tag 'token', 'VUBJKB23UIVI1UU1VOBVI@'
# => <input id="token" name="token" type="hidden" value="VUBJKB23UIVI1UU1VOBVI@" />

hidden_field_tag 'collected_input', '', onchange: "alert('Input collected!')"
# => <input id="collected_input" name="collected_input" onchange="alert('Input collected!')"
#    type="hidden" value="" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 232
def hidden_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :hidden))
end
image_submit_tag(source, options = {})

Displays an image which when clicked will submit the form.

source is passed to ActionView::Helpers::AssetUrlHelper#path_to_image

Options

  • :data - This option can be used to add custom data attributes.

  • :disabled - If set to true, the user will not be able to use this input.

  • Any other key creates standard HTML options for the tag.

Data attributes

  • confirm: 'question?' - This will add a JavaScript confirm prompt with the question specified. If the user accepts, the form is processed normally, otherwise no action is taken.

Examples

image_submit_tag("login.png")
# => <input alt="Login" src="/assets/login.png" type="image" />

image_submit_tag("purchase.png", disabled: true)
# => <input alt="Purchase" disabled="disabled" src="/assets/purchase.png" type="image" />

image_submit_tag("search.png", class: 'search_button', alt: 'Find')
# => <input alt="Find" class="search_button" src="/assets/search.png" type="image" />

image_submit_tag("agree.png", disabled: true, class: "agree_disagree_button")
# => <input alt="Agree" class="agree_disagree_button" disabled="disabled" src="/assets/agree.png" type="image" />

image_submit_tag("save.png", data: { confirm: "Are you sure?" })
# => <input alt="Save" src="/assets/save.png" data-confirm="Are you sure?" type="image" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 530
def image_submit_tag(source, options = {})
  options = options.stringify_keys
  tag :input, { "alt" => image_alt(source), "type" => "image", "src" => path_to_image(source) }.update(options)
end
label_tag(name = nil, content_or_options = nil, options = nil, &block)

Creates a label element. Accepts a block.

Options

  • Creates standard HTML attributes for the tag.

Examples

label_tag 'name'
# => <label for="name">Name</label>

label_tag 'name', 'Your name'
# => <label for="name">Your name</label>

label_tag 'name', nil, class: 'small_label'
# => <label for="name" class="small_label">Name</label>
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 205
def label_tag(name = nil, content_or_options = nil, options = nil, &block)
  if block_given? && content_or_options.is_a?(Hash)
    options = content_or_options = content_or_options.stringify_keys
  else
    options ||= {}
    options = options.stringify_keys
  end
  options["for"] = sanitize_to_id(name) unless name.blank? || options.has_key?("for")
  content_tag :label, content_or_options || name.to_s.humanize, options, &block
end
month_field_tag(name, value = nil, options = {})

Creates a text field of type “month”.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 687
def month_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :month))
end
number_field_tag(name, value = nil, options = {})

Creates a number field.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :in - A range specifying the :min and :max values.

  • :within - Same as :in.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

Examples

number_field_tag 'quantity'
# => <input id="quantity" name="quantity" type="number" />

number_field_tag 'quantity', '1'
# => <input id="quantity" name="quantity" type="number" value="1" />

number_field_tag 'quantity', nil, class: 'special_input'
# => <input class="special_input" id="quantity" name="quantity" type="number" />

number_field_tag 'quantity', nil, min: 1
# => <input id="quantity" name="quantity" min="1" type="number" />

number_field_tag 'quantity', nil, max: 9
# => <input id="quantity" name="quantity" max="9" type="number" />

number_field_tag 'quantity', nil, in: 1...10
# => <input id="quantity" name="quantity" min="1" max="9" type="number" />

number_field_tag 'quantity', nil, within: 1...10
# => <input id="quantity" name="quantity" min="1" max="9" type="number" />

number_field_tag 'quantity', nil, min: 1, max: 10
# => <input id="quantity" name="quantity" min="1" max="9" type="number" />

number_field_tag 'quantity', nil, min: 1, max: 10, step: 2
# => <input id="quantity" name="quantity" min="1" max="9" step="2" type="number" />

number_field_tag 'quantity', '1', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="quantity" name="quantity" type="number" value="1" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 785
def number_field_tag(name, value = nil, options = {})
  options = options.stringify_keys
  options["type"] ||= "number"
  if range = options.delete("in") || options.delete("within")
    options.update("min" => range.min, "max" => range.max)
  end
  text_field_tag(name, value, options)
end
password_field_tag(name = "password", value = nil, options = {})

Creates a password field, a masked text field that will hide the users input behind a mask character.

Options

  • :disabled - If set to true, the user will not be able to use this input.

  • :size - The number of visible characters that will fit in the input.

  • :maxlength - The maximum number of characters that the browser will allow the user to enter.

  • Any other key creates standard HTML attributes for the tag.

Examples

password_field_tag 'pass'
# => <input id="pass" name="pass" type="password" />

password_field_tag 'secret', 'Your secret here'
# => <input id="secret" name="secret" type="password" value="Your secret here" />

password_field_tag 'masked', nil, class: 'masked_input_field'
# => <input class="masked_input_field" id="masked" name="masked" type="password" />

password_field_tag 'token', '', size: 15
# => <input id="token" name="token" size="15" type="password" value="" />

password_field_tag 'key', nil, maxlength: 16
# => <input id="key" maxlength="16" name="key" type="password" />

password_field_tag 'confirm_pass', nil, disabled: true
# => <input disabled="disabled" id="confirm_pass" name="confirm_pass" type="password" />

password_field_tag 'pin', '1234', maxlength: 4, size: 6, class: "pin_input"
# => <input class="pin_input" id="pin" maxlength="4" name="pin" size="6" type="password" value="1234" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 304
def password_field_tag(name = "password", value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :password))
end
phone_field_tag(name, value = nil, options = {})
Alias for: telephone_field_tag
radio_button_tag(name, value, checked = false, options = {})

Creates a radio button; use groups of radio buttons named the same to allow users to select from a group of options.

Options

  • :disabled - If set to true, the user will not be able to use this input.

  • Any other key creates standard HTML options for the tag.

Examples

radio_button_tag 'gender', 'male'
# => <input id="gender_male" name="gender" type="radio" value="male" />

radio_button_tag 'receive_updates', 'no', true
# => <input checked="checked" id="receive_updates_no" name="receive_updates" type="radio" value="no" />

radio_button_tag 'time_slot', "3:00 p.m.", false, disabled: true
# => <input disabled="disabled" id="time_slot_300_pm" name="time_slot" type="radio" value="3:00 p.m." />

radio_button_tag 'color', "green", true, class: "color_input"
# => <input checked="checked" class="color_input" id="color_green" name="color" type="radio" value="green" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 396
def radio_button_tag(name, value, checked = false, options = {})
  html_options = { "type" => "radio", "name" => name, "id" => "#{sanitize_to_id(name)}_#{sanitize_to_id(value)}", "value" => value }.update(options.stringify_keys)
  html_options["checked"] = "checked" if checked
  tag :input, html_options
end
range_field_tag(name, value = nil, options = {})

Creates a range form element.

Options

  • Accepts the same options as number_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 798
def range_field_tag(name, value = nil, options = {})
  number_field_tag(name, value, options.merge(type: :range))
end
search_field_tag(name, value = nil, options = {})

Creates a text field of type “search”.

Options

  • Accepts the same options as text_field_tag.

Examples

search_field_tag 'name'
# => <input id="name" name="name" type="search" />

search_field_tag 'search', 'Enter your search query here'
# => <input id="search" name="search" type="search" value="Enter your search query here" />

search_field_tag 'search', nil, class: 'special_input'
# => <input class="special_input" id="search" name="search" type="search" />

search_field_tag 'search', 'Enter your search query here', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="search" name="search" type="search" value="Enter your search query here" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 600
def search_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :search))
end
select_tag(name, option_tags = nil, options = {})

Creates a dropdown selection box, or if the :multiple option is set to true, a multiple choice selection box.

Helpers::FormOptions can be used to create common select boxes such as countries, time zones, or associated records. option_tags is a string containing the option tags for the select box.

Options

  • :multiple - If set to true the selection will allow multiple choices.

  • :disabled - If set to true, the user will not be able to use this input.

  • :include_blank - If set to true, an empty option will be created. If set to a string, the string will be used as the option's content and the value will be empty.

  • :prompt - Create a prompt option with blank value and the text asking user to select something.

  • :selected - Provide a default selected value. It should be of the exact type as the provided options.

  • Any other key creates standard HTML attributes for the tag.

Examples

select_tag "people", options_from_collection_for_select(@people, "id", "name")
# <select id="people" name="people"><option value="1">David</option></select>

select_tag "people", options_from_collection_for_select(@people, "id", "name"), selected: ["1", "David"]
# <select id="people" name="people"><option value="1" selected="selected">David</option></select>

select_tag "people", "<option>David</option>".html_safe
# => <select id="people" name="people"><option>David</option></select>

select_tag "count", "<option>1</option><option>2</option><option>3</option><option>4</option>".html_safe
# => <select id="count" name="count"><option>1</option><option>2</option>
#    <option>3</option><option>4</option></select>

select_tag "colors", "<option>Red</option><option>Green</option><option>Blue</option>".html_safe, multiple: true
# => <select id="colors" multiple="multiple" name="colors[]"><option>Red</option>
#    <option>Green</option><option>Blue</option></select>

select_tag "locations", "<option>Home</option><option selected='selected'>Work</option><option>Out</option>".html_safe
# => <select id="locations" name="locations"><option>Home</option><option selected='selected'>Work</option>
#    <option>Out</option></select>

select_tag "access", "<option>Read</option><option>Write</option>".html_safe, multiple: true, class: 'form_input', id: 'unique_id'
# => <select class="form_input" id="unique_id" multiple="multiple" name="access[]"><option>Read</option>
#    <option>Write</option></select>

select_tag "people", options_from_collection_for_select(@people, "id", "name"), include_blank: true
# => <select id="people" name="people"><option value=""></option><option value="1">David</option></select>

select_tag "people", options_from_collection_for_select(@people, "id", "name"), include_blank: "All"
# => <select id="people" name="people"><option value="">All</option><option value="1">David</option></select>

select_tag "people", options_from_collection_for_select(@people, "id", "name"), prompt: "Select something"
# => <select id="people" name="people"><option value="">Select something</option><option value="1">David</option></select>

select_tag "destination", "<option>NYC</option><option>Paris</option><option>Rome</option>".html_safe, disabled: true
# => <select disabled="disabled" id="destination" name="destination"><option>NYC</option>
#    <option>Paris</option><option>Rome</option></select>

select_tag "credit_card", options_for_select([ "VISA", "MasterCard" ], "MasterCard")
# => <select id="credit_card" name="credit_card"><option>VISA</option>
#    <option selected="selected">MasterCard</option></select>
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 132
def select_tag(name, option_tags = nil, options = {})
  option_tags ||= ""
  html_name = (options[:multiple] == true && !name.to_s.ends_with?("[]")) ? "#{name}[]" : name

  if options.include?(:include_blank)
    include_blank = options.delete(:include_blank)

    if include_blank == true
      include_blank = ''
    end

    option_tags = content_tag(:option, include_blank, value: '').safe_concat(option_tags)
  end

  if prompt = options.delete(:prompt)
    option_tags = content_tag(:option, prompt, value: '').safe_concat(option_tags)
  end

  content_tag :select, option_tags, { "name" => html_name, "id" => sanitize_to_id(name) }.update(options.stringify_keys)
end
submit_tag(value = "Save changes", options = {})

Creates a submit button with the text value as the caption.

Options

  • :data - This option can be used to add custom data attributes.

  • :disabled - If true, the user will not be able to use this input.

  • Any other key creates standard HTML options for the tag.

Data attributes

  • confirm: 'question?' - If present the unobtrusive JavaScript drivers will provide a prompt with the question specified. If the user accepts, the form is processed normally, otherwise no action is taken.

  • :disable_with - Value of this parameter will be used as the value for a disabled version of the submit button when the form is submitted. This feature is provided by the unobtrusive JavaScript driver.

Examples

submit_tag
# => <input name="commit" type="submit" value="Save changes" />

submit_tag "Edit this article"
# => <input name="commit" type="submit" value="Edit this article" />

submit_tag "Save edits", disabled: true
# => <input disabled="disabled" name="commit" type="submit" value="Save edits" />

submit_tag "Complete sale", data: { disable_with: "Please wait..." }
# => <input name="commit" data-disable-with="Please wait..." type="submit" value="Complete sale" />

submit_tag nil, class: "form_submit"
# => <input class="form_submit" name="commit" type="submit" />

submit_tag "Edit", class: "edit_button"
# => <input class="edit_button" name="commit" type="submit" value="Edit" />

submit_tag "Save", data: { confirm: "Are you sure?" }
# => <input name='commit' type='submit' value='Save' data-confirm="Are you sure?" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 440
def submit_tag(value = "Save changes", options = {})
  options = options.stringify_keys

  tag :input, { "type" => "submit", "name" => "commit", "value" => value }.update(options)
end
telephone_field_tag(name, value = nil, options = {})

Creates a text field of type “tel”.

Options

  • Accepts the same options as text_field_tag.

Examples

telephone_field_tag 'name'
# => <input id="name" name="name" type="tel" />

telephone_field_tag 'tel', '0123456789'
# => <input id="tel" name="tel" type="tel" value="0123456789" />

telephone_field_tag 'tel', nil, class: 'special_input'
# => <input class="special_input" id="tel" name="tel" type="tel" />

telephone_field_tag 'tel', '0123456789', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="tel" name="tel" type="tel" value="0123456789" />
Also aliased as: phone_field_tag
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 621
def telephone_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :tel))
end
text_area_tag(name, content = nil, options = {})

Creates a text input area; use a textarea for longer text inputs such as blog posts or descriptions.

Options

  • :size - A string specifying the dimensions (columns by rows) of the textarea (e.g., “25x10”).

  • :rows - Specify the number of rows in the textarea

  • :cols - Specify the number of columns in the textarea

  • :disabled - If set to true, the user will not be able to use this input.

  • :escape - By default, the contents of the text input are HTML escaped. If you need unescaped contents, set this to false.

  • Any other key creates standard HTML attributes for the tag.

Examples

text_area_tag 'post'
# => <textarea id="post" name="post"></textarea>

text_area_tag 'bio', @user.bio
# => <textarea id="bio" name="bio">This is my biography.</textarea>

text_area_tag 'body', nil, rows: 10, cols: 25
# => <textarea cols="25" id="body" name="body" rows="10"></textarea>

text_area_tag 'body', nil, size: "25x10"
# => <textarea name="body" id="body" cols="25" rows="10"></textarea>

text_area_tag 'description', "Description goes here.", disabled: true
# => <textarea disabled="disabled" id="description" name="description">Description goes here.</textarea>

text_area_tag 'comment', nil, class: 'comment_input'
# => <textarea class="comment_input" id="comment" name="comment"></textarea>
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 337
def text_area_tag(name, content = nil, options = {})
  options = options.stringify_keys

  if size = options.delete("size")
    options["cols"], options["rows"] = size.split("x") if size.respond_to?(:split)
  end

  escape = options.delete("escape") { true }
  content = ERB::Util.html_escape(content) if escape

  content_tag :textarea, content.to_s.html_safe, { "name" => name, "id" => sanitize_to_id(name) }.update(options)
end
text_field_tag(name, value = nil, options = {})

Creates a standard text field; use these text fields to input smaller chunks of text like a username or a search query.

Options

  • :disabled - If set to true, the user will not be able to use this input.

  • :size - The number of visible characters that will fit in the input.

  • :maxlength - The maximum number of characters that the browser will allow the user to enter.

  • :placeholder - The text contained in the field by default which is removed when the field receives focus.

  • Any other key creates standard HTML attributes for the tag.

Examples

text_field_tag 'name'
# => <input id="name" name="name" type="text" />

text_field_tag 'query', 'Enter your search query here'
# => <input id="query" name="query" type="text" value="Enter your search query here" />

text_field_tag 'search', nil, placeholder: 'Enter search term...'
# => <input id="search" name="search" placeholder="Enter search term..." type="text" />

text_field_tag 'request', nil, class: 'special_input'
# => <input class="special_input" id="request" name="request" type="text" />

text_field_tag 'address', '', size: 75
# => <input id="address" name="address" size="75" type="text" value="" />

text_field_tag 'zip', nil, maxlength: 5
# => <input id="zip" maxlength="5" name="zip" type="text" />

text_field_tag 'payment_amount', '$0.00', disabled: true
# => <input disabled="disabled" id="payment_amount" name="payment_amount" type="text" value="$0.00" />

text_field_tag 'ip', '0.0.0.0', maxlength: 15, size: 20, class: "ip-input"
# => <input class="ip-input" id="ip" maxlength="15" name="ip" size="20" type="text" value="0.0.0.0" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 187
def text_field_tag(name, value = nil, options = {})
  tag :input, { "type" => "text", "name" => name, "id" => sanitize_to_id(name), "value" => value }.update(options.stringify_keys)
end
time_field_tag(name, value = nil, options = {})

Creates a text field of type “time”.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 654
def time_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :time))
end
url_field_tag(name, value = nil, options = {})

Creates a text field of type “url”.

Options

  • Accepts the same options as text_field_tag.

Examples

url_field_tag 'name'
# => <input id="name" name="name" type="url" />

url_field_tag 'url', 'http://rubyonrails.org'
# => <input id="url" name="url" type="url" value="http://rubyonrails.org" />

url_field_tag 'url', nil, class: 'special_input'
# => <input class="special_input" id="url" name="url" type="url" />

url_field_tag 'url', 'http://rubyonrails.org', class: 'special_input', disabled: true
# => <input disabled="disabled" class="special_input" id="url" name="url" type="url" value="http://rubyonrails.org" />
# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 719
def url_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :url))
end
utf8_enforcer_tag()

Creates the hidden UTF8 enforcer tag. Override this method in a helper to customize the tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 804
def utf8_enforcer_tag
  # Use raw HTML to ensure the value is written as an HTML entity; it
  # needs to be the right character regardless of which encoding the
  # browser infers.
  '<input name="utf8" type="hidden" value="&#x2713;" />'.html_safe
end
week_field_tag(name, value = nil, options = {})

Creates a text field of type “week”.

Options

  • :min - The minimum acceptable value.

  • :max - The maximum acceptable value.

  • :step - The acceptable value granularity.

  • Otherwise accepts the same options as text_field_tag.

# File actionview/lib/action_view/helpers/form_tag_helper.rb, line 698
def week_field_tag(name, value = nil, options = {})
  text_field_tag(name, value, options.merge(type: :week))
end