Dynamically create JS file using ASP.net Handler

Question

I have many clients I want to give them scripts so I want to Create JS file based on their Cusotmer ID. So I can return and it directly execute on customer side. Client can be a

Answer 1

ContentType should be application/javascript

public void ProcessRequest(HttpContext context)
{
    string CustomerId = context.Request["CustomerId"].ToString();
    string jscontent = JSFileWriter.GetJS(CustomerId); // This function will return my custom js string

    context.Response.ContentType = "application/javascript";
    context.Response.Write(jscontent);
}