How a Session variable set in Server be accessed in External javascript file?

Question

var xData = ${_attrValues};

So I tried using "${}" in external js file but it throws this error ->

Answer 1

You can not access it via an External Javascript file,because an external Javascript file do not know the context,you must need to import it to a JSP or Velocity file,then you need use sessionScope to retrieve the session variable,try it like below:

var xData = "${sessionScope._attrValues}";