[1、三栏布局（ 3种 方案 第一次面试考）](1%E3%80%81%E4%B8%89%E6%A0%8F%E5%B8%83%E5%B1%80%EF%BC%883%E7%A7%8D%E6%96%B9%E6%A1%88%E7%AC%AC%E4%B8%80%E6%AC%A1%E9%9D%A2%E8%AF%95%E8%80%83%EF%BC%89.md) [2、场景题：怎么实现对于一个ul li实现拖拽效果？](2%E3%80%81%E5%9C%BA%E6%99%AF%E9%A2%98%EF%BC%9A%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%E5%AF%B9%E4%BA%8E%E4%B8%80%E4%B8%AAulli%E5%AE%9E%E7%8E%B0%E6%8B%96%E6%8B%BD%E6%95%88%E6%9E%9C%EF%BC%9F.md) [3、防抖+节流 介绍](3%E3%80%81%E9%98%B2%E6%8A%96+%E8%8A%82%E6%B5%81%E4%BB%8B%E7%BB%8D.md) [4、虚拟DOM 介绍](4%E3%80%81%E8%99%9A%E6%8B%9FDOM%E4%BB%8B%E7%BB%8D.md) [5、 手撕：括号匹配](6%E3%80%81%E6%89%8B%E6%92%95%EF%BC%9A%E6%8B%AC%E5%8F%B7%E5%8C%B9%E9%85%8D.md) [6、.hash和browser路由区别](6%E3%80%81.hash%E5%92%8Cbrowser%E8%B7%AF%E7%94%B1%E5%8C%BA%E5%88%AB.md) [7、 https和http的区别](7%E3%80%81https%E5%92%8Chttp%E7%9A%84%E5%8C%BA%E5%88%AB.md)