The more deeply you force your brain to think, the better chance you have of learning and remembering.

Only 10–20% of the end user response time is spent downloading the HTML document. The other 80–90% is spent downloading all the components in the page..

If it’s short, it’s more likely to actually be used

致力于优雅的、可读性好的 JavaScript 排序算法代码。
（转载请署名，优化总结这些代码和知识点消耗 RayJune 大量元气）

Collect some RegExp concepts and demos from MDN.
(Some of these demos modified by myself).

Just for self review.
The (*) section means it’s come from Internet (stackOverFlow, MDN or Medium).

简明扼要回顾一下 JavaScript Module 的进化史。