[简介](%E5%8F%91%E9%80%81%20%20%E7%AE%80%E4%BB%8B.md) [常量变量](%E5%B8%B8%E9%87%8F%E5%8F%98%E9%87%8F.md) [数据类型](%E6%95%B0%E6%8D%AE%E5%8F%91%E9%80%81%E5%88%B0%E7%B1%BB%E5%9E%8B.md) [闭包](%E9%97%AD%E5%8C%85.md) [函数](%E5%87%BD%E6%95%B0%E9%A3%9E.md) [异步](%E5%BC%82%E6%AD%A5.md) [面向对象](%E9%9D%A2%E5%90%91%E5%AF%B9%E8%B1%A1.md) [模块](%E6%94%BE%E6%9D%BE%E6%94%BE%E6%9D%BE%E6%A8%A1%E5%9D%97.md) [垃圾回收](%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6.md)