How to pass in a struct to javascript

in your controller

PHP Code:

$data['forjavascript'] = json_encode(array('message'=>'mymessage','command'=>'mycommand')); 


in your javascript:

Code:

var mydata = <?php echo $forjavascript; ?>;
//mydata is a javascript object at this point see:
console.log(mydata);
// You can use it as you want, for example:
console.log(mydata.message);
console.log(mydata.command);