offical: https://v5.getbootstrap.com/
down: https://github.com/twbs/bootstrap/releases
What’s New in Bootstrap 5
1. 移出JQuery
2. 移出IE10与IE11支持
offical: https://v5.getbootstrap.com/
down: https://github.com/twbs/bootstrap/releases
1. 移出JQuery
2. 移出IE10与IE11支持