rails, jquery, javascript, jqvmap can't load multiple countries -

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i trying implement jqvmap , have multiple regions selected , colored. how pass variable rails javascript 'selectedregions' variable work? i've tried endlessly can't seem make js read variable correctly.

js code:

<script type="text/javascript">   jquery(document).ready(function() {     var areas1=['ca','us'];       jquery('#vmap').vectormap({          map: 'world_en',         selectedcolor: '#ffc864',         selectedregions: areas1        });   });   </script>

the selectedregions variable needs take in format: ['ca', 'us'], when pass in format rails helper method, not work. js experts out there thoughts appreciated!

assuming controller looks this:

def show   # set instance variable in controller   @areas1 = [ 'ca', 'us' ]    # render code.... end

in view selectedregions (assuming it's in erb page) be

<script type="text/javascript"> jquery(document).ready(function() {   var areas1=['ca','us'];     jquery('#vmap').vectormap({        map: 'world_en',       selectedcolor: '#ffc864',       selectedregions: [<%= @areas1.map {|str| "'#{ str }'" }.join(',') %>]     }); }); </script>

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