如何从单独的javascript文件访问模型属性？ （MVC）

Right now I am using a model property in the javascript as one of the values in a json object that i pass to the controller. The problem is that the javascript will be seperated in a .js file and will not be able to access @Model. So the question is; how do i access model from a seperated .js file?Right now I am using a model property in the ja