1 https://blog.csdn.net/yw_1207/article/details/100017640
目前最基本的垃圾收集算法有四种,
标记-清除算法(mark-sweep),
标记-压缩算法(mark-compact), 复制算法(copying)。
以及引用计数算法(reference counting)
https://blog.csdn.net/mononoke111/article/details/90005157
https://www.cnblogs.com/yiwufang/p/9496622.html
2 专业讲解 js垃圾回收
https://www.cnblogs.com/sunhuahuaa/p/7655587.html
https://segmentfault.com/a/1190000018605776
3专业讲解 标记清除：
https://blog.csdn.net/yw_1207/article/details/100017640
4 专业讲解 垃圾回收器
http://newhtml.net/v8-garbage-collection/
5 python垃圾回收视频：
https://www.bilibili.com/video/BV1W4411S7mq?from=search&seid=12623008761918193850
