Rails - how to get array index in view using dom_id?

Question

I have an array attribute in the form and wanting to iterate over this and append each index value to dom id. I've looked up in the API for use of dom_id but I can't locate one that deals with array attribute.

If dom_id is not meant for working with array index, is there any other way to get array indexes in the view?

<div id="ingredient<%= dom_id(?) %>">

Salil · Accepted Answer · 2015-01-12 10:28:48Z

1

I guess you want something like following

<% array.each_with_index do |arr, index| %>
  <div id="ingredient<%= index %>">
<% end %>

answered Jan 12, 2015 at 10:28

Salil

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1 Comment

Seong Lee Over a year ago

Thanks. Worked perfectly

Ajay · Accepted Answer · 2015-01-12 10:46:01Z

1

<% custom_array.each_with_index  do |item,index| %> 

 <div id="<%= ingredient_#{index} %>">  
       <!--other contents goes here -->
  </div> 

<% end %>

Otherwise you can try id = " ingredient_<%= index>"

edited Jan 12, 2015 at 10:46

answered Jan 12, 2015 at 10:32

Ajay

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