code: func (c *Context) SecureJSON(code int, obj interface{}) {
  	c.Render(code, render.SecureJSON{Prefix: c.engine.secureJsonPrefix, Data: obj})
  }
docs: // SecureJSON serializes the given struct as Secure JSON into the response body.
  // Default prepends "while(1)," to response body if the given struct is array values.
  // It also sets the Content-Type as "application/json".