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Rails Helper to call javascript asynchronous
module AsyncHelper
def javascript_async(*args)
content_tag :script, type: "text/javascript" do
"(function() {
var script = document.createElement('script');
script.type = 'text/javascript';
script.async = true;
script.src = '#{j javascript_path(*args)}';
var other = document.getElementsByTagName('script')[0];
other.parentNode.insertBefore(script, other);

Thanks you!
I used to do it in javascript way, but making it a helper is even better :D

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