Javascript onclick doesn't work with dynamically generated rails elements?

Question

I have a rails block like this -

  <% if blah%>
    <% foo(100).each_with_index do |data| %>
      <img src="<%= data %>" onclick="yay(<%= data %>)">
   <% end %>

And yay() should log the value of data.

However, the dynamically generated elements from the rails method foo() don't work with onclick. A static image does. Is there some way around this?

leemac · Accepted Answer · 2015-07-02 21:27:45Z

2

You need to surround the <%= data %> with single quotes like so:

<img src="<%= data %>" onclick="yay('<%= data %>')">

Otherwise, it will treat it like a JavaScript variable which will cause it to fail.

Check out the console of your browser and you should see a message complaining about this.

answered Jul 2, 2015 at 21:27

leemac

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