參考範例：hw3 todo list（請先寫完作業再看） 切版： 0 - 3'30: html 3'33: 排版 7'11": 新增功能 11'22": 過濾輸入字串跳脫 js escape 16'01": appendChild 23'26": check/uncheck todo
![[#004] 387. First Unique Character in a String](https://doooooon.coderbridge.io/2021/05/13/leetcode-first-unique-character-in-a-string/?utm_source=coderbridge-io&utm_medium=blog_related_post_img&utm_campaign=Christy's Blog_[#004] 387. First Unique Character in a String_@s1101192101_https://static.coderbridge.com/images/covers/default-post-cover-2.jpg)
