Generate array of textbox in Ruby on Rails

Question

I am using the below ruby code

<%= form_for :post, url:"/index" do |f|%>
    <%= f.text_field(:name) %>
<% end %>

This generates a form with textbox as below

<input type="text" name="post[name]" id="post_name">

Is there any way to generate fields with array format such as:

<input type="text" name="post[name][]" id="post_name_1">
<input type="text" name="post[name][]" id="post_name_2">
<input type="text" name="post[name][]" id="post_name_3">
<input type="text" name="post[name][]" id="post_name_4">
:
:
<input type="text" name="post[name][]" id="post_name_n">

techvineet · Accepted Answer · 2016-05-19 17:51:10Z

3

You can override the name like this

<%= f.text_field(:field_name, :name => "post[name][]") %>

and then do it like this:

<%(1..n).each do |i|%>
<%= f.text_field(:name, :name => "post[name][]", :id => "post_name_#{i}") %>
<%end%>

edited May 19, 2016 at 17:51

answered Sep 4, 2013 at 12:07

techvineet

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