Passing a rails variable to a js file

Question

I have a js file where I want to pass some Rails variable to such as url. What I do is:

#main.haml.html

<script type="text/javascript">
  var myUrl = <%=some_url%>;
</scirpt>

#script1.js
$.ajax({
  method: 'POST',
  url: myUrl,
  success: function(data) {
    //..........
  },
  error: function(a, b, c) {
        //..........
  }
});

I think it seems the proper way of doing this. Is this the idiomatic way of doing it? Is there a better way?

A better place for this questions would be codereview: codereview.stackexchange.com. But I will offer this: There's nothing specifically wrong with what you are doing - as this ajax method was created for that purpose. However, you want to think about proper code organization. Will you have a lot of ajax calls? Is your javascript file growing in size? You don't want to have scattered ajax calls all over the place within an increasingly complex javascript file. — PhillipKregg
– PhillipKregg, Commented Mar 30, 2014 at 1:36

miushock · Accepted Answer · 2014-03-30 01:33:32Z

1

There's an episode on Rails Casts about this topic here

generally you can put execute scripts to put variable under window object or create a html div to just to hold data. Since these are more static to the browser environment

answered Mar 30, 2014 at 1:33

miushock

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1 Comment

Incerteza Over a year ago

isn't that the same thing as what I do?

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