在 IE 11 中强制使用“兼容性视图”时显示浏览器版本过旧的消息

支持
9

I think window.ie doesn’t exist. It was set at one point in an html conditional but was removed:

https://github.com/discourse/discourse/commit/e1f90d12f14cd72c5624538dc1ad5732093553ad#diff-9599427925097c3c66f26ac1e0de5cadL63