Ruby on rails - javascript current locale

How a javascript can get the current locale in ruby on rail开发者_JS百科s application?

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There are few ways how to do it, for example you can set locale variable in your view like this:

<script type="text/javascript"> 
  var locale = '<%= I18n.locale %>';
</script>

Of course, this is a global variable, so you should use a namespace.