这在Javascript中意味着什么？我在react-router示例中找到了这个
var { Route, Redirect, RouteHandler, Link } = Router;
通过browserify运行时出现以下错误.
"Uncaught SyntaxError: Unexpected token {"
https://github.com/rackt/react-router/blob/master/examples/dynamic-segments/app.js
Esprima也会出现同样的错误:http: //esprima.org/demo/validate.html