[1、 css动画和js动画的区别](1%E3%80%81css%E5%8A%A8%E7%94%BB%E5%92%8Cjs%E5%8A%A8%E7%94%BB%E7%9A%84%E5%8C%BA%E5%88%AB.md) [2、 js中除了定时器的动画还有其他的么?](2%E3%80%81js%E4%B8%AD%E9%99%A4%E4%BA%86%E5%AE%9A%E6%97%B6%E5%99%A8%E7%9A%84%E5%8A%A8%E7%94%BB%E8%BF%98%E6%9C%89%E5%85%B6%E4%BB%96%E7%9A%84%E4%B9%88%EF%BC%9F.md) [3、 除了requestAnimationFrame还有其他的么(requestIdleCallback)](3%E3%80%81%E9%99%A4%E4%BA%86requestAnimationFrame%E8%BF%98%E6%9C%89%E5%85%B6%E4%BB%96%E7%9A%84%E4%B9%88%EF%BC%88requestIdleCallback%EF%BC%89.md) [4、屏幕刷新一帧是多长时间,在这一帧中js都做了什么事情?](3%E3%80%81%E5%B1%8F%E5%B9%95%E5%88%B7%E6%96%B0%E4%B8%80%E5%B8%A7%E6%98%AF%E5%A4%9A%E9%95%BF%E6%97%B6%E9%97%B4%EF%BC%8C%E5%9C%A8%E8%BF%99%E4%B8%80%E5%B8%A7%E4%B8%ADjs%E9%83%BD%E5%81%9A%E4%BA%86%E4%BB%80%E4%B9%88%E4%BA%8B%E6%83%85%EF%BC%9F.md) [5、css中单位有哪些 ?](5%E3%80%81css%E4%B8%AD%E5%8D%95%E4%BD%8D%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%9F.md) [6、 em和rem的区别是什么?](6%E3%80%81em%E5%92%8Crem%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F.md) [7、 rem相对于根元素是什么?](7%E3%80%81rem%E7%9B%B8%E5%AF%B9%E4%BA%8E%E6%A0%B9%E5%85%83%E7%B4%A0%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F.md) [8、css动画如何监听播放状态?](8%E3%80%81css%E5%8A%A8%E7%94%BB%E5%A6%82%E4%BD%95%E7%9B%91%E5%90%AC%E6%92%AD%E6%94%BE%E7%8A%B6%E6%80%81%EF%BC%9F.md) [9、 js中事件监听的方式有哪些种?](9%E3%80%81js%E4%B8%AD%E4%BA%8B%E4%BB%B6%E7%9B%91%E5%90%AC%E7%9A%84%E6%96%B9%E5%BC%8F%E6%9C%89%E5%93%AA%E4%BA%9B%E7%A7%8D%EF%BC%9F.md) [10、 如何阻止冒泡和默认事件?](10%E3%80%81%E5%A6%82%E4%BD%95%E9%98%BB%E6%AD%A2%E5%86%92%E6%B3%A1%E5%92%8C%E9%BB%98%E8%AE%A4%E4%BA%8B%E4%BB%B6%EF%BC%9F.md) [11、哪些事件没有冒泡?](11%E3%80%81%E5%93%AA%E4%BA%9B%E4%BA%8B%E4%BB%B6%E6%B2%A1%E6%9C%89%E5%86%92%E6%B3%A1%EF%BC%9F.md) [12、箭头函数和普通函数的区别](12%E3%80%81%E7%AE%AD%E5%A4%B4%E5%87%BD%E6%95%B0%E5%92%8C%E6%99%AE%E9%80%9A%E5%87%BD%E6%95%B0%E7%9A%84%E5%8C%BA%E5%88%AB.md) [13、 js中数据类型](13%E3%80%81js%E4%B8%AD%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B.md) [14、基本数据类型和引用数据类型区别](14%E3%80%81%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B%E5%92%8C%E5%BC%95%E7%94%A8%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B%E5%8C%BA%E5%88%AB.md) [15、 js中为啥要给任务分类](15%E3%80%81js%E4%B8%AD%E4%B8%BA%E5%95%A5%E8%A6%81%E7%BB%99%E4%BB%BB%E5%8A%A1%E5%88%86%E7%B1%BB.md) [16、回流和重绘](16%E3%80%81%E5%9B%9E%E6%B5%81%E5%92%8C%E9%87%8D%E7%BB%98.md) [17、如何减少回流?](17%E3%80%81%E5%A6%82%E4%BD%95%E5%87%8F%E5%B0%91%E5%9B%9E%E6%B5%81%EF%BC%9F.md) [18、跨域解决方案](18%E3%80%81%E8%B7%A8%E5%9F%9F%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.md) [19、 jsonp原理](19%E3%80%81jsonp%E5%8E%9F%E7%90%86.md) [20、cors原理](20%E3%80%81cors%E5%8E%9F%E7%90%86.md)