按照 Rails4 文档，使用 render js: , 页面上给出：Security warning: an embedded tag on another site requested protected JavaScript. If you know what you're doing, go ahead and disable forgery protection on this action to permit cross-origin JavaScript embedding. 谷歌搜索了，没有找到一个清晰的解决办法。Rails 新手，请多指教！谢谢