Rails: passing data to the browser with

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I'll be posting code snippets like this -- solutions to little problems that I come across in everyday work.

This one is one of the simplest ways to share some structured data with the front end using content_for helper and meta element.

# .erb

<% content_for :head do %>
  <meta name="project-prices" content=<%=prices.to_json%> />
<% end %>

// .js

const meta = document.querySelector('[name="project-prices"]')
JSON.parse(meta.content)

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