>[success] # js 30s [这个章节的文章 都是来自30s 笔记,方便自己看](https://www.30secondsofcode.org/js/p/1) >[danger] ##### 没有看系列高级用法 后期看 [https://www.30secondsofcode.org/js/t/array/e/10](https://www.30secondsofcode.org/js/t/array/e/10)