Rails, rendering partial via JS on page load?

Question

So I understand how to get partials to render when say a link is clicked, but say I want to start loading the partial after the page renders?

show.html.erb

<div id="weather"></div>

weather.js.erb

$( "#weather" ).html( "<%= escape_javascript(render( :partial => 'weather' )) %>");

weather.html.erb

<%= Time.now %> # For brevity. This actually does more.

Controller

def weather

  slow_api_request

  respond_to do |format|
    format.js {render :layout => false}
  end
end

But so then how can I start the request for the partial after the page loads (because the action is pretty slow to retrieve the data from the API), I'm using rails UJS, I just a bit confused.

apneadiving · Accepted Answer · 2011-05-22 21:23:26Z

3

You should simply add an ajax call. Assuming you're using jQuery, just add this kind of scripts in your view:

$.ajax({
  type: "GET",
  url: "<%= url_for your_path %>" ,
  success: function(data){
    //if ever there is something more to do (there is also an error handler)
  }
});

answered May 22, 2011 at 21:23

apneadiving

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